fkie_cve-2022-20870
Vulnerability from fkie_nvd
Published
2022-10-10 21:15
Modified
2024-11-21 06:43
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650, Catalyst 3850, and Catalyst 9000 Family Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation of IPv4 traffic. An attacker could exploit this vulnerability by sending a malformed packet out of an affected MPLS-enabled interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References
Impacted products
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"7925AF68-4E36-4281-A710-070DD4BEDA8B", "vulnerable": false }, { "criteria": "cpe:2.3:h:cisco:catalyst_c9500-48y4c:-:*:*:*:*:*:*:*", "matchCriteriaId": "8CFB064E-E390-47B5-AA76-5D3D2E368055", "vulnerable": false }, { "criteria": "cpe:2.3:h:cisco:catalyst_c9600-lc-24c:-:*:*:*:*:*:*:*", "matchCriteriaId": "BBE82D4C-B165-4060-8A05-740137833004", "vulnerable": false }, { "criteria": "cpe:2.3:h:cisco:catalyst_c9600-lc-48s:-:*:*:*:*:*:*:*", "matchCriteriaId": "4859684E-FF82-43E6-9B86-B4FD54A124E5", "vulnerable": false }, { "criteria": "cpe:2.3:h:cisco:catalyst_c9600-lc-48tx:-:*:*:*:*:*:*:*", "matchCriteriaId": "1EE2B840-6A66-46FC-87C4-6D8D867E2394", "vulnerable": false }, { "criteria": "cpe:2.3:h:cisco:catalyst_c9600-lc-48yl:-:*:*:*:*:*:*:*", "matchCriteriaId": "06B9B478-24B0-4C99-9CF6-1D7A2C9F5A5E", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650, Catalyst 3850, and Catalyst 9000 Family Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation of IPv4 traffic. An attacker could exploit this vulnerability by sending a malformed packet out of an affected MPLS-enabled interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition." }, { "lang": "es", "value": "Una vulnerabilidad en la funci\u00f3n de procesamiento de paquetes MPLS de salida del software Cisco IOS XE para los conmutadores de la familia Cisco Catalyst 3650, Catalyst 3850 y Catalyst 9000 podr\u00eda permitir a un atacante remoto no autenticado causar una recarga inesperada del dispositivo afectado, resultando en una situaci\u00f3n de denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad es debido a que la comprobaci\u00f3n de entrada del tr\u00e1fico IPv4 es insuficiente. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un paquete malformado desde una interfaz MPLS afectada. Un ataque con \u00e9xito podr\u00eda permitir al atacante causar la recarga del dispositivo, resultando en una condici\u00f3n de DoS" } ], "id": "CVE-2022-20870", "lastModified": "2024-11-21T06:43:43.347", "metrics": { "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "psirt@cisco.com", "type": "Secondary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2022-10-10T21:15:10.273", "references": [ { "source": "psirt@cisco.com", "tags": [ "Vendor Advisory" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-mpls-dos-Ab4OUL3" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-mpls-dos-Ab4OUL3" } ], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-130" } ], "source": "psirt@cisco.com", "type": "Secondary" }, { "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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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.