cvelistv5 - cve-2025-20177

cve-2025-20177

Vulnerability from cvelistv5

Published

2025-03-12 16:13

Modified

2025-03-14 15:31

Severity ?

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

References

▼	URL	Tags
	psirt@cisco.com	https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/
	psirt@cisco.com	https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx

Impacted products

	Vendor	Product	Version
	Cisco	Cisco IOS XR Software	Version: 7.0.1 Version: 7.0.0 Version: 7.1.1 Version: 7.0.90 Version: 6.7.1 Version: 7.0.2 Version: 7.1.15 Version: 7.2.0 Version: 7.2.1 Version: 7.1.2 Version: 6.7.2 Version: 7.0.11 Version: 7.0.12 Version: 7.0.14 Version: 7.1.25 Version: 7.2.12 Version: 7.3.1 Version: 7.1.3 Version: 6.7.3 Version: 7.4.1 Version: 7.2.2 Version: 6.7.4 Version: 7.3.15 Version: 7.3.16 Version: 6.8.1 Version: 7.4.15 Version: 7.3.2 Version: 7.5.1 Version: 7.4.16 Version: 7.3.27 Version: 7.6.1 Version: 7.5.2 Version: 7.8.1 Version: 7.6.15 Version: 7.5.12 Version: 7.3.3 Version: 7.7.1 Version: 6.8.2 Version: 7.3.4 Version: 7.4.2 Version: 6.7.35 Version: 6.9.1 Version: 7.6.2 Version: 7.5.3 Version: 7.7.2 Version: 6.9.2 Version: 7.9.1 Version: 7.10.1 Version: 7.8.2 Version: 7.5.4 Version: 7.8.22 Version: 7.7.21 Version: 7.9.2 Version: 7.3.5 Version: 7.5.5 Version: 7.11.1 Version: 7.9.21 Version: 7.10.2 Version: 24.1.1 Version: 7.6.3 Version: 7.3.6 Version: 7.11.2 Version: 24.2.1 Version: 24.1.2 Version: 24.2.11 Version: 24.3.1 Version: 7.8.23

Show details on NVD website

JSON

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{
   containers: {
      adp: [
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2025-20177",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "total",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2025-03-13T03:55:23.530580Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2025-03-14T15:31:19.971Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               defaultStatus: "unknown",
               product: "Cisco IOS XR Software",
               vendor: "Cisco",
               versions: [
                  {
                     status: "affected",
                     version: "7.0.1",
                  },
                  {
                     status: "affected",
                     version: "7.0.0",
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                  {
                     status: "affected",
                     version: "7.1.1",
                  },
                  {
                     status: "affected",
                     version: "7.0.90",
                  },
                  {
                     status: "affected",
                     version: "6.7.1",
                  },
                  {
                     status: "affected",
                     version: "7.0.2",
                  },
                  {
                     status: "affected",
                     version: "7.1.15",
                  },
                  {
                     status: "affected",
                     version: "7.2.0",
                  },
                  {
                     status: "affected",
                     version: "7.2.1",
                  },
                  {
                     status: "affected",
                     version: "7.1.2",
                  },
                  {
                     status: "affected",
                     version: "6.7.2",
                  },
                  {
                     status: "affected",
                     version: "7.0.11",
                  },
                  {
                     status: "affected",
                     version: "7.0.12",
                  },
                  {
                     status: "affected",
                     version: "7.0.14",
                  },
                  {
                     status: "affected",
                     version: "7.1.25",
                  },
                  {
                     status: "affected",
                     version: "7.2.12",
                  },
                  {
                     status: "affected",
                     version: "7.3.1",
                  },
                  {
                     status: "affected",
                     version: "7.1.3",
                  },
                  {
                     status: "affected",
                     version: "6.7.3",
                  },
                  {
                     status: "affected",
                     version: "7.4.1",
                  },
                  {
                     status: "affected",
                     version: "7.2.2",
                  },
                  {
                     status: "affected",
                     version: "6.7.4",
                  },
                  {
                     status: "affected",
                     version: "7.3.15",
                  },
                  {
                     status: "affected",
                     version: "7.3.16",
                  },
                  {
                     status: "affected",
                     version: "6.8.1",
                  },
                  {
                     status: "affected",
                     version: "7.4.15",
                  },
                  {
                     status: "affected",
                     version: "7.3.2",
                  },
                  {
                     status: "affected",
                     version: "7.5.1",
                  },
                  {
                     status: "affected",
                     version: "7.4.16",
                  },
                  {
                     status: "affected",
                     version: "7.3.27",
                  },
                  {
                     status: "affected",
                     version: "7.6.1",
                  },
                  {
                     status: "affected",
                     version: "7.5.2",
                  },
                  {
                     status: "affected",
                     version: "7.8.1",
                  },
                  {
                     status: "affected",
                     version: "7.6.15",
                  },
                  {
                     status: "affected",
                     version: "7.5.12",
                  },
                  {
                     status: "affected",
                     version: "7.3.3",
                  },
                  {
                     status: "affected",
                     version: "7.7.1",
                  },
                  {
                     status: "affected",
                     version: "6.8.2",
                  },
                  {
                     status: "affected",
                     version: "7.3.4",
                  },
                  {
                     status: "affected",
                     version: "7.4.2",
                  },
                  {
                     status: "affected",
                     version: "6.7.35",
                  },
                  {
                     status: "affected",
                     version: "6.9.1",
                  },
                  {
                     status: "affected",
                     version: "7.6.2",
                  },
                  {
                     status: "affected",
                     version: "7.5.3",
                  },
                  {
                     status: "affected",
                     version: "7.7.2",
                  },
                  {
                     status: "affected",
                     version: "6.9.2",
                  },
                  {
                     status: "affected",
                     version: "7.9.1",
                  },
                  {
                     status: "affected",
                     version: "7.10.1",
                  },
                  {
                     status: "affected",
                     version: "7.8.2",
                  },
                  {
                     status: "affected",
                     version: "7.5.4",
                  },
                  {
                     status: "affected",
                     version: "7.8.22",
                  },
                  {
                     status: "affected",
                     version: "7.7.21",
                  },
                  {
                     status: "affected",
                     version: "7.9.2",
                  },
                  {
                     status: "affected",
                     version: "7.3.5",
                  },
                  {
                     status: "affected",
                     version: "7.5.5",
                  },
                  {
                     status: "affected",
                     version: "7.11.1",
                  },
                  {
                     status: "affected",
                     version: "7.9.21",
                  },
                  {
                     status: "affected",
                     version: "7.10.2",
                  },
                  {
                     status: "affected",
                     version: "24.1.1",
                  },
                  {
                     status: "affected",
                     version: "7.6.3",
                  },
                  {
                     status: "affected",
                     version: "7.3.6",
                  },
                  {
                     status: "affected",
                     version: "7.11.2",
                  },
                  {
                     status: "affected",
                     version: "24.2.1",
                  },
                  {
                     status: "affected",
                     version: "24.1.2",
                  },
                  {
                     status: "affected",
                     version: "24.2.11",
                  },
                  {
                     status: "affected",
                     version: "24.3.1",
                  },
                  {
                     status: "affected",
                     version: "7.8.23",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.\r\n\r\nThis vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system.\r\nNote: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.",
            },
         ],
         exploits: [
            {
               lang: "en",
               value: "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
            },
         ],
         metrics: [
            {
               cvssV3_1: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 6.7,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "HIGH",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               format: "cvssV3_1",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     cweId: "CWE-274",
                     description: "Improper Handling of Insufficient Privileges",
                     lang: "en",
                     type: "cwe",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2025-03-12T16:13:04.362Z",
            orgId: "d1c1063e-7a18-46af-9102-31f8928bc633",
            shortName: "cisco",
         },
         references: [
            {
               name: "cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
               url: "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
            },
            {
               name: "Crafting endless AS-PATHS in BGP",
               url: "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/",
            },
         ],
         source: {
            advisory: "cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
            defects: [
               "CSCwk67262",
            ],
            discovery: "INTERNAL",
         },
         title: "Cisco IOS XR Software Image Verification Bypass Vulnerability",
      },
   },
   cveMetadata: {
      assignerOrgId: "d1c1063e-7a18-46af-9102-31f8928bc633",
      assignerShortName: "cisco",
      cveId: "CVE-2025-20177",
      datePublished: "2025-03-12T16:13:04.362Z",
      dateReserved: "2024-10-10T19:15:13.220Z",
      dateUpdated: "2025-03-14T15:31:19.971Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2025-20177\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2025-03-12T16:15:22.347\",\"lastModified\":\"2025-03-12T16:15:22.347\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.\\r\\n\\r\\nThis vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system.\\r\\nNote: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-274\"}]}],\"references\":[{\"url\":\"https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/\",\"source\":\"psirt@cisco.com\"},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx\",\"source\":\"psirt@cisco.com\"}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-20177\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-13T03:55:23.530580Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-14T15:31:16.972Z\"}}], \"cna\": {\"title\": \"Cisco IOS XR Software Image Verification Bypass Vulnerability\", \"source\": {\"defects\": [\"CSCwk67262\"], \"advisory\": \"cisco-sa-ios-xr-verii-bypass-HhPwQRvx\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco IOS XR Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.0.1\"}, {\"status\": \"affected\", \"version\": \"7.0.0\"}, {\"status\": \"affected\", \"version\": \"7.1.1\"}, {\"status\": \"affected\", \"version\": \"7.0.90\"}, {\"status\": \"affected\", \"version\": \"6.7.1\"}, {\"status\": \"affected\", \"version\": \"7.0.2\"}, {\"status\": \"affected\", \"version\": \"7.1.15\"}, {\"status\": \"affected\", \"version\": \"7.2.0\"}, {\"status\": \"affected\", \"version\": \"7.2.1\"}, {\"status\": \"affected\", \"version\": \"7.1.2\"}, {\"status\": \"affected\", \"version\": \"6.7.2\"}, {\"status\": \"affected\", \"version\": \"7.0.11\"}, {\"status\": \"affected\", \"version\": \"7.0.12\"}, {\"status\": \"affected\", \"version\": \"7.0.14\"}, {\"status\": \"affected\", \"version\": \"7.1.25\"}, {\"status\": \"affected\", \"version\": \"7.2.12\"}, {\"status\": \"affected\", \"version\": \"7.3.1\"}, {\"status\": \"affected\", \"version\": \"7.1.3\"}, {\"status\": \"affected\", \"version\": \"6.7.3\"}, {\"status\": \"affected\", \"version\": \"7.4.1\"}, {\"status\": \"affected\", \"version\": \"7.2.2\"}, {\"status\": \"affected\", \"version\": \"6.7.4\"}, {\"status\": \"affected\", \"version\": \"7.3.15\"}, {\"status\": \"affected\", \"version\": \"7.3.16\"}, {\"status\": \"affected\", \"version\": \"6.8.1\"}, {\"status\": \"affected\", \"version\": \"7.4.15\"}, {\"status\": \"affected\", \"version\": \"7.3.2\"}, {\"status\": \"affected\", \"version\": \"7.5.1\"}, {\"status\": \"affected\", \"version\": \"7.4.16\"}, {\"status\": \"affected\", \"version\": \"7.3.27\"}, {\"status\": \"affected\", \"version\": \"7.6.1\"}, {\"status\": \"affected\", \"version\": \"7.5.2\"}, {\"status\": \"affected\", \"version\": \"7.8.1\"}, {\"status\": \"affected\", \"version\": \"7.6.15\"}, {\"status\": \"affected\", \"version\": \"7.5.12\"}, {\"status\": \"affected\", \"version\": \"7.3.3\"}, {\"status\": \"affected\", \"version\": \"7.7.1\"}, {\"status\": \"affected\", \"version\": \"6.8.2\"}, {\"status\": \"affected\", \"version\": \"7.3.4\"}, {\"status\": \"affected\", \"version\": \"7.4.2\"}, {\"status\": \"affected\", \"version\": \"6.7.35\"}, {\"status\": \"affected\", \"version\": \"6.9.1\"}, {\"status\": \"affected\", \"version\": \"7.6.2\"}, {\"status\": \"affected\", \"version\": \"7.5.3\"}, {\"status\": \"affected\", \"version\": \"7.7.2\"}, {\"status\": \"affected\", \"version\": \"6.9.2\"}, {\"status\": \"affected\", \"version\": \"7.9.1\"}, {\"status\": \"affected\", \"version\": \"7.10.1\"}, {\"status\": \"affected\", \"version\": \"7.8.2\"}, {\"status\": \"affected\", \"version\": \"7.5.4\"}, {\"status\": \"affected\", \"version\": \"7.8.22\"}, {\"status\": \"affected\", \"version\": \"7.7.21\"}, {\"status\": \"affected\", \"version\": \"7.9.2\"}, {\"status\": \"affected\", \"version\": \"7.3.5\"}, {\"status\": \"affected\", \"version\": \"7.5.5\"}, {\"status\": \"affected\", \"version\": \"7.11.1\"}, {\"status\": \"affected\", \"version\": \"7.9.21\"}, {\"status\": \"affected\", \"version\": \"7.10.2\"}, {\"status\": \"affected\", \"version\": \"24.1.1\"}, {\"status\": \"affected\", \"version\": \"7.6.3\"}, {\"status\": \"affected\", \"version\": \"7.3.6\"}, {\"status\": \"affected\", \"version\": \"7.11.2\"}, {\"status\": \"affected\", \"version\": \"24.2.1\"}, {\"status\": \"affected\", \"version\": \"24.1.2\"}, {\"status\": \"affected\", \"version\": \"24.2.11\"}, {\"status\": \"affected\", \"version\": \"24.3.1\"}, {\"status\": \"affected\", \"version\": \"7.8.23\"}], \"defaultStatus\": \"unknown\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx\", \"name\": \"cisco-sa-ios-xr-verii-bypass-HhPwQRvx\"}, {\"url\": \"https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/\", \"name\": \"Crafting endless AS-PATHS in BGP\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.\\r\\n\\r\\nThis vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system.\\r\\nNote: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-274\", \"description\": \"Improper Handling of Insufficient Privileges\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-03-12T16:13:04.362Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2025-20177\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-14T15:31:19.971Z\", \"dateReserved\": \"2024-10-10T19:15:13.220Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2025-03-12T16:13:04.362Z\", \"assignerShortName\": \"cisco\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
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}

ghsa-hghx-c858-jm7q

Vulnerability from github

Published

2025-03-12 18:32

Modified

2025-03-12 18:32

Severity ?

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

This vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system. Note: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.

Show details on source website

JSON

To clipboard

{
   affected: [],
   aliases: [
      "CVE-2025-20177",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-274",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2025-03-12T16:15:22Z",
      severity: "MODERATE",
   },
   details: "A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.\n\nThis vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system.\nNote: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.",
   id: "GHSA-hghx-c858-jm7q",
   modified: "2025-03-12T18:32:53Z",
   published: "2025-03-12T18:32:53Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2025-20177",
      },
      {
         type: "WEB",
         url: "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp",
      },
      {
         type: "WEB",
         url: "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}

cisco-sa-ios-xr-verii-bypass-hhpwqrvx

Vulnerability from csaf_cisco

Published

2025-03-12 16:00

Modified

2025-03-12 16:00

Summary

Cisco IOS XR Software Image Verification Bypass Vulnerability

Notes

Summary

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device. This vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system. Note: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of the March 2025 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2025 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75548"].

Vulnerable Products

This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco IOS XR Software, regardless of device configuration: 8000 Series Routers Network Convergence System (NCS) 540 Series Routers that are running NCS540L images NCS 1010 NCS 1014 NCS 5700 Series Fixed-Port Routers that are running NCS5700 images For information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory.

Products Confirmed Not Vulnerable

Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by these vulnerabilities. Cisco has confirmed that this vulnerability does not affect the following Cisco products if they are running Cisco IOS XR Software: ASR 9000 Series Routers IOS XRd vRouter IOS XRv 9000 Routers NCS 540 Series Routers NCS540-ACC-SYS and NCS 540-24Z8Q2C-SYS NCS 5500 Series Routers NCS 5700 Series Fixed-Port Routers NCS-57C3-MOD-S and NCS-57C3-MOD-SE-S Cisco has also confirmed that these vulnerabilities do not affect the following Cisco products: IOS Software IOS XE Software NX-OS Software

Workarounds

There are no workarounds that address this vulnerability.

Fixed Software

Cisco has released free software updates ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license: https://www.cisco.com/c/en/us/products/end-user-license-agreement.html ["https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"] Additionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades. The Cisco Support and Downloads page ["https://www.cisco.com/c/en/us/support/index.html"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page ["https://www.cisco.com/go/psirt"], to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. Customers Without Service Contracts Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"] Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade. Fixed Releases In the following table, the left column lists Cisco software releases or trains. The right column indicates whether a release (train) is affected by the vulnerability that is described in this advisory and the first release that includes the fix for this vulnerability. Cisco IOS XR Software Release First Fixed Release 7.10 and earlier Migrate to a fixed release. 7.11 7.11.21 24.2 24.2.2 24.3 24.3.2 24.4 24.4.1 Note: Cisco will not release SMUs to address this vulnerability. The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.

Vulnerability Policy

To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.

Exploitation and Public Announcements

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Source

This vulnerability was found during internal security testing.

Legal Disclaimer

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.

JSON

To clipboard

{
   document: {
      acknowledgments: [
         {
            summary: "This vulnerability was found during internal security testing.",
         },
      ],
      category: "csaf_security_advisory",
      csaf_version: "2.0",
      notes: [
         {
            category: "summary",
            text: "A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.\r\n\r\nThis vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system.\r\n\r\nNote: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n\r\n\r\nThis advisory is part of the March 2025 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2025 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75548\"].",
            title: "Summary",
         },
         {
            category: "general",
            text: "This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco IOS XR Software, regardless of device configuration:\r\n\r\n8000 Series Routers\r\nNetwork Convergence System (NCS) 540 Series Routers that are running NCS540L images\r\nNCS 1010\r\nNCS 1014\r\nNCS 5700 Series Fixed-Port Routers that are running NCS5700 images\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.",
            title: "Vulnerable Products",
         },
         {
            category: "general",
            text: "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by these vulnerabilities.\r\n\r\nCisco has confirmed that this vulnerability does not affect the following Cisco products if they are running Cisco IOS XR Software:\r\n\r\nASR 9000 Series Routers\r\nIOS XRd vRouter\r\nIOS XRv 9000 Routers\r\nNCS 540 Series Routers NCS540-ACC-SYS and NCS 540-24Z8Q2C-SYS\r\nNCS 5500 Series Routers\r\nNCS 5700 Series Fixed-Port Routers NCS-57C3-MOD-S and NCS-57C3-MOD-SE-S\r\n\r\nCisco has also confirmed that these vulnerabilities do not affect the following Cisco products:\r\n\r\nIOS Software\r\nIOS XE Software\r\nNX-OS Software",
            title: "Products Confirmed Not Vulnerable",
         },
         {
            category: "general",
            text: "There are no workarounds that address this vulnerability.",
            title: "Workarounds",
         },
         {
            category: "general",
            text: "Cisco has released free software updates [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu\"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.\r\n\r\nCustomers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nThe Cisco Support and Downloads page [\"https://www.cisco.com/c/en/us/support/index.html\"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\n  Customers Without Service Contracts\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n      Fixed Releases\r\nIn the following table, the left column lists Cisco software releases or trains. The right column indicates whether a release (train) is affected by the vulnerability that is described in this advisory and the first release that includes the fix for this vulnerability.\r\n          Cisco IOS XR Software Release  First Fixed Release          7.10 and earlier  Migrate to a fixed release.      7.11  7.11.21      24.2  24.2.2      24.3  24.3.2      24.4  24.4.1\r\nNote: Cisco will not release SMUs to address this vulnerability.\r\n\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
            title: "Fixed Software",
         },
         {
            category: "general",
            text: "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
            title: "Vulnerability Policy",
         },
         {
            category: "general",
            text: "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
            title: "Exploitation and Public Announcements",
         },
         {
            category: "general",
            text: "This vulnerability was found during internal security testing.",
            title: "Source",
         },
         {
            category: "legal_disclaimer",
            text: "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
            title: "Legal Disclaimer",
         },
      ],
      publisher: {
         category: "vendor",
         contact_details: "psirt@cisco.com",
         issuing_authority: "Cisco PSIRT",
         name: "Cisco",
         namespace: "https://wwww.cisco.com",
      },
      references: [
         {
            category: "self",
            summary: "Cisco IOS XR Software Image Verification Bypass Vulnerability",
            url: "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
         },
         {
            category: "external",
            summary: "Cisco Event Response: March 2025 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication",
            url: "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75548",
         },
         {
            category: "external",
            summary: "Cisco Security Vulnerability Policy",
            url: "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html",
         },
         {
            category: "external",
            summary: "free software updates",
            url: "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu",
         },
         {
            category: "external",
            summary: "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
            url: "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
         },
         {
            category: "external",
            summary: "Cisco Support and Downloads page",
            url: "https://www.cisco.com/c/en/us/support/index.html",
         },
         {
            category: "external",
            summary: "considering software upgrades",
            url: "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes",
         },
         {
            category: "external",
            summary: "Cisco Security Advisories page",
            url: "https://www.cisco.com/go/psirt",
         },
         {
            category: "external",
            summary: "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html",
            url: "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html",
         },
         {
            category: "external",
            summary: "Security Vulnerability Policy",
            url: "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html",
         },
      ],
      title: "Cisco IOS XR Software Image Verification Bypass Vulnerability",
      tracking: {
         current_release_date: "2025-03-12T16:00:00+00:00",
         generator: {
            date: "2025-03-12T15:55:19+00:00",
            engine: {
               name: "TVCE",
            },
         },
         id: "cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
         initial_release_date: "2025-03-12T16:00:00+00:00",
         revision_history: [
            {
               date: "2025-03-12T15:54:42+00:00",
               number: "1.0.0",
               summary: "Initial public release.",
            },
         ],
         status: "final",
         version: "1.0.0",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  category: "product_family",
                  name: "Cisco IOS XR Software",
                  product: {
                     name: "Cisco IOS XR Software ",
                     product_id: "CSAFPID-5834",
                  },
               },
            ],
            category: "vendor",
            name: "Cisco",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2025-20177",
         ids: [
            {
               system_name: "Cisco Bug ID",
               text: "CSCwk67262",
            },
         ],
         notes: [
            {
               category: "other",
               text: "Complete.",
               title: "Affected Product Comprehensiveness",
            },
         ],
         product_status: {
            known_affected: [
               "CSAFPID-5834",
            ],
         },
         release_date: "2025-03-12T16:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               details: "Cisco has released software updates that address this vulnerability.",
               product_ids: [
                  "CSAFPID-5834",
               ],
               url: "https://software.cisco.com",
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 6.7,
                  baseSeverity: "MEDIUM",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               products: [
                  "CSAFPID-5834",
               ],
            },
         ],
         title: "Cisco IOS XR Software Image Verification Bypass Vulnerability",
      },
   ],
}

fkie_cve-2025-20177

Vulnerability from fkie_nvd

Published

2025-03-12 16:15

Modified

2025-03-12 16:15

Severity ?

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

References

▼	URL	Tags
	psirt@cisco.com	https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/
	psirt@cisco.com	https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.\r\n\r\nThis vulnerability is due to incomplete validation of files in the boot verification process. An attacker could exploit this vulnerability by manipulating the system configuration options to bypass some of the integrity checks that are performed during the boot process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system.\r\nNote: Because exploitation of this vulnerability could result in the attacker bypassing Cisco image verification, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.",
      },
      {
         lang: "es",
         value: "Una vulnerabilidad en el proceso de arranque del software Cisco IOS XR podría permitir que un atacante local autenticado omita la verificación de la firma de la imagen de Cisco IOS XR e instale software no verificado en un dispositivo afectado. Para explotar esta vulnerabilidad, el atacante debe tener privilegios de administrador en el dispositivo afectado. Esta vulnerabilidad se debe a una validación incompleta de los archivos durante el proceso de verificación de arranque. Un atacante podría explotarla manipulando las opciones de configuración del sistema para omitir algunas de las comprobaciones de integridad que se realizan durante el proceso de arranque. Una explotación exitosa podría permitir al atacante controlar la configuración de arranque, lo que podría permitirle omitir el requisito de ejecutar imágenes firmadas por Cisco o alterar las propiedades de seguridad del sistema en ejecución. Nota: Dado que la explotación de esta vulnerabilidad podría provocar que el atacante omita la verificación de la imagen de Cisco, Cisco ha elevado la calificación de impacto de seguridad (SIR) de este aviso de media a alta.",
      },
   ],
   id: "CVE-2025-20177",
   lastModified: "2025-03-12T16:15:22.347",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 6.7,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "HIGH",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 0.8,
            impactScore: 5.9,
            source: "psirt@cisco.com",
            type: "Primary",
         },
      ],
   },
   published: "2025-03-12T16:15:22.347",
   references: [
      {
         source: "psirt@cisco.com",
         url: "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/",
      },
      {
         source: "psirt@cisco.com",
         url: "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
      },
   ],
   sourceIdentifier: "psirt@cisco.com",
   vulnStatus: "Awaiting Analysis",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-274",
            },
         ],
         source: "psirt@cisco.com",
         type: "Primary",
      },
   ],
}

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

cve-2025-20177

Vulnerability from cvelistv5

ghsa-hghx-c858-jm7q

Vulnerability from github

cisco-sa-ios-xr-verii-bypass-hhpwqrvx

Vulnerability from csaf_cisco

fkie_cve-2025-20177

Vulnerability from fkie_nvd

Tags

Sightings

Nomenclature