CVE-2021-1243

{"id": "CVE-2021-1243", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-02-04T17:15:14.700", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-7MKrW7Nq", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}, {"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-7MKrW7Nq", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-284"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Local Packet Transport Services (LPTS) programming of the SNMP with the management plane protection feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to allow connections despite the management plane protection that is configured to deny access to the SNMP server of an affected device. This vulnerability is due to incorrect LPTS programming when using SNMP with management plane protection. An attacker could exploit this vulnerability by connecting to an affected device using SNMP. A successful exploit could allow the attacker to connect to the device on the configured SNMP ports. Valid credentials are required to execute any of the SNMP requests."}, {"lang": "es", "value": "Una vulnerabilidad en la programaci\u00f3n Local Packet Transport Services (LPTS) del SNMP con la funcionalidad de protecci\u00f3n del plano de administraci\u00f3n del Software Cisco IOS XR, podr\u00eda permitir a un atacante remoto no autenticado habilitar conexiones a pesar de la protecci\u00f3n del plano de administraci\u00f3n que est\u00e1 configurada para denegar el acceso al servidor SNMP de un dispositivo afectado. Esta vulnerabilidad es debido a una programaci\u00f3n LPTS incorrecta cuando se usa SNMP con protecci\u00f3n del plano de administraci\u00f3n. Un atacante podr\u00eda explotar esta vulnerabilidad al conectar a un dispositivo afectado usando SNMP. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante conectarse al dispositivo en los puertos SNMP configurados. Las credenciales v\u00e1lidas son requeridas para ejecutar cualquiera de las peticiones SNMP"}], "lastModified": "2024-11-21T05:43:54.650", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "430CEC0C-7611-4B21-8143-74180775FBA8", "versionEndExcluding": "6.6.4", "versionStartExcluding": "6.1.1"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00AFC058-2750-4A6F-B321-DF159214FCA5", "versionEndExcluding": "7.0.2", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:6.7.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB06AB15-7F91-4B17-BBBD-AC4E4D1EBF9E"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.0.11:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "921B3622-76A3-4D9F-936C-25A965CE1A0E"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24DF4040-86A9-46CA-8BAB-04D6016751D5"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:7.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "84BABFE7-1350-4FB0-B9ED-5F08E386BC40"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}