Vulnerability-Lookup

CNVD-2024-44496

Vulnerability from cnvd - Published: 2024-11-07

Title

Cisco Expressway Series命令注入漏洞

Description

Cisco Expressway Series是美国思科（Cisco）公司的一款用于防火墙外访问设备的软件。该软件为防火墙外的用户提供了简单、高度安全的访问功能，帮助远程办公人员在他们选择的设备上更有效地工作。 Cisco Expressway Series存在命令注入漏洞，该漏洞源于对用户提供的输入验证不足。经过身份验证的本地攻击者可利用该漏洞对底层操作系统执行命令注入攻击并将权限提升至root。

Severity

中

Patch Name

Cisco Expressway Series命令注入漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expw-escalation-3bkz77bD

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-20492

Impacted products

Name
Cisco Expressway Series <15.2 (Oct 2024)

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-20492",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-20492"
    }
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  "description": "Cisco Expressway Series\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7528\u4e8e\u9632\u706b\u5899\u5916\u8bbf\u95ee\u8bbe\u5907\u7684\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u4e3a\u9632\u706b\u5899\u5916\u7684\u7528\u6237\u63d0\u4f9b\u4e86\u7b80\u5355\u3001\u9ad8\u5ea6\u5b89\u5168\u7684\u8bbf\u95ee\u529f\u80fd\uff0c\u5e2e\u52a9\u8fdc\u7a0b\u529e\u516c\u4eba\u5458\u5728\u4ed6\u4eec\u9009\u62e9\u7684\u8bbe\u5907\u4e0a\u66f4\u6709\u6548\u5730\u5de5\u4f5c\u3002\n\nCisco Expressway Series\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u9a8c\u8bc1\u4e0d\u8db3\u3002\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bf9\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u6267\u884c\u547d\u4ee4\u6ce8\u5165\u653b\u51fb\u5e76\u5c06\u6743\u9650\u63d0\u5347\u81f3root\u3002",
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  "number": "CNVD-2024-44496",
  "openTime": "2024-11-07",
  "patchDescription": "Cisco Expressway Series\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7528\u4e8e\u9632\u706b\u5899\u5916\u8bbf\u95ee\u8bbe\u5907\u7684\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u4e3a\u9632\u706b\u5899\u5916\u7684\u7528\u6237\u63d0\u4f9b\u4e86\u7b80\u5355\u3001\u9ad8\u5ea6\u5b89\u5168\u7684\u8bbf\u95ee\u529f\u80fd\uff0c\u5e2e\u52a9\u8fdc\u7a0b\u529e\u516c\u4eba\u5458\u5728\u4ed6\u4eec\u9009\u62e9\u7684\u8bbe\u5907\u4e0a\u66f4\u6709\u6548\u5730\u5de5\u4f5c\u3002\r\n\r\nCisco Expressway Series\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u9a8c\u8bc1\u4e0d\u8db3\u3002\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bf9\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u6267\u884c\u547d\u4ee4\u6ce8\u5165\u653b\u51fb\u5e76\u5c06\u6743\u9650\u63d0\u5347\u81f3root\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
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  "products": {
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2024-20492",
  "serverity": "\u4e2d",
  "submitTime": "2024-10-17",
  "title": "Cisco Expressway Series\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2024-20492 (GCVE-0-2024-20492)

Vulnerability from cvelistv5 – Published: 2024-10-02 16:55 – Updated: 2024-10-02 19:24

Title

Cisco Expressway Series Privilege Escalation Vulnerability

Summary

A vulnerability in the restricted shell of Cisco Expressway Series could allow an authenticated, local attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, the attacker must have Administrator-level credentials with read-write privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a series of crafted CLI commands. A successful exploit could allow the attacker to escape the restricted shell and gain root privileges on the underlying operating system of the affected device. Note: Cisco Expressway Series refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices.

Severity

6 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-02 18:57 UTC

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

cisco mitre root

References

1 reference

URL	Tags
https://sec.cloudapps.cisco.com/security/center/c…

Impacted products

2 products

Vendor	Product	Version
Cisco	Cisco TelePresence Video Communication Server (VCS) Expressway	Affected: X8.11.2 Affected: X8.6 Affected: X8.11.3 Affected: X8.2.2 Affected: X8.8.3 Affected: X8.11.0 Affected: X12.5.2 Affected: X8.1.1 Affected: X8.9 Affected: X12.5.1 Affected: X12.5.6 Affected: X8.7.3 Affected: X12.6.0 Affected: X8.11.1 Affected: X8.5 Affected: X8.9.1 Affected: X8.10.2 Affected: X8.8.2 Affected: X8.5.3 Affected: X8.1 Affected: X8.9.2 Affected: X8.11.4 Affected: X12.5.4 Affected: X8.8.1 Affected: X8.2.1 Affected: X8.5.1 Affected: X8.6.1 Affected: X8.1.2 Affected: X8.8 Affected: X8.10.0 Affected: X12.5.3 Affected: X8.10.1 Affected: X12.5.7 Affected: X8.10.3 Affected: X8.7.1 Affected: X8.2 Affected: X12.5.8 Affected: X8.7 Affected: X8.5.2 Affected: X12.5.9 Affected: X12.5.0 Affected: X8.10.4 Affected: X8.7.2 Affected: X12.5.5 Affected: X12.6.1 Affected: X12.6.2 Affected: X12.6.3 Affected: X12.6.4 Affected: X12.7.0 Affected: X12.7.1 Affected: X14.0.0 Affected: X14.0.1 Affected: X14.0.2 Affected: X14.0.3 Affected: X14.0.4 Affected: X14.0.5 Affected: X14.0.6 Affected: X14.0.7 Affected: X14.0.8 Affected: X14.2.0 Affected: X14.0.9 Affected: X14.2.1 Affected: X14.2.2 Affected: X14.0.11 Affected: X14.2.5 Affected: X14.0.10 Affected: X14.2.6 Affected: X14.2.7 Affected: X14.3.0 Affected: X14.3.1 Affected: X14.3.2 Affected: X14.3.3 Affected: X15.0.0 Affected: X14.3.4 Affected: X14.3.5 Affected: X15.0.1 Affected: X15.0.2 Affected: X15.0.3 Affected: X14.3.6
cisco	telepresence_video_communication_server	Affected: X8.11.2 Affected: X8.6 Affected: X8.11.3 Affected: X8.2.2 Affected: X8.8.3 Affected: X8.11.0 Affected: X12.5.2 Affected: X8.1.1 Affected: X8.9 Affected: X12.5.1 Affected: X12.5.6 Affected: X8.7.3 Affected: X12.6.0 Affected: X8.11.1 Affected: X8.5 Affected: X8.9.1 Affected: X8.10.2 Affected: X8.8.2 Affected: X8.5.3 Affected: X8.1 Affected: X8.9.2 Affected: X8.11.4 Affected: X12.5.4 Affected: X8.8.1 Affected: X8.2.1 Affected: X8.5.1 Affected: X8.6.1 Affected: X8.1.2 Affected: X8.8 Affected: X8.10.0 Affected: X12.5.3 Affected: X8.10.1 Affected: X12.5.7 Affected: X8.10.3 Affected: X8.7.1 Affected: X8.2 Affected: X12.5.8 Affected: X8.7 Affected: X8.5.2 cpe:2.3:a:cisco:telepresence_video_communication_server:-::::expressway:::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:cisco:telepresence_video_communication_server:-:*:*:*:expressway:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "telepresence_video_communication_server",
            "vendor": "cisco",
            "versions": [
              {
                "status": "affected",
                "version": "X8.11.2"
              },
              {
                "status": "affected",
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              },
              {
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              },
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            ]
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        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-20492",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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            {
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              "version": "X14.0.6"
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              "version": "X14.0.7"
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              "version": "X14.0.8"
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              "version": "X14.2.2"
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              "version": "X14.0.10"
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              "version": "X14.3.0"
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              "version": "X14.3.1"
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              "version": "X14.3.2"
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            {
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            },
            {
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              "version": "X14.3.6"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the restricted shell of Cisco Expressway Series could allow an authenticated, local attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, the attacker must have Administrator-level credentials with read-write privileges on an affected device.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a series of crafted CLI commands. A successful exploit could allow the attacker to escape the restricted shell and gain root privileges on the underlying operating system of the affected device.\r\nNote: Cisco Expressway Series refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices."
        }
      ],
      "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": "NONE",
            "baseScore": 6,
            "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:N",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-77",
              "description": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-10-02T16:55:33.932Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-expw-escalation-3bkz77bD",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expw-escalation-3bkz77bD"
        }
      ],
      "source": {
        "advisory": "cisco-sa-expw-escalation-3bkz77bD",
        "defects": [
          "CSCwk75586"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Cisco Expressway Series Privilege Escalation Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2024-20492",
    "datePublished": "2024-10-02T16:55:33.932Z",
    "dateReserved": "2023-11-08T15:08:07.685Z",
    "dateUpdated": "2024-10-02T19:24:15.214Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.