Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "72B91784-38A9-4A2A-AA92-8AB558924BBD", "versionEndExcluding": "17.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2D2305B-B69E-4F74-A44E-07B3205CE9F7", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "26DD41B3-1D1D-44D3-BA8E-5A66AFEE77E6", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "5AAD4397-6DCF-493A-BD61-3A890F6F3AB2", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "3F2F0A8E-97F6-41AC-BE67-4B2D60F9D36B", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "BB9229F3-7BCE-46C4-9879-D57B5BAAE44E", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "A5A606FE-E6F1-43F9-B1CD-D9DF35FC3573", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4221_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "6C8AED7C-DDA3-4C29-BB95-6518C02C551A", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4321_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "9421DBEF-AE42-4234-B49F-FCC34B804D7F", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4331_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "5419CB9F-241F-4431-914F-2659BE27BEA5", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4351_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "7DE02DBE-EAD5-4F37-8AB7-DF46A605A0E2", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4431_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "5720462A-BE6B-4E84-A1A1-01E80BBA86AD", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4451-x_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "818CEFA6-208C-43C3-8E43-474A93ADCF21", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:4461_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "E8B60888-6E2B-494E-AC65-83337661EE7D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:csr_1000v:-:*:*:*:*:*:*:*", "matchCriteriaId": "BF8B0B49-2C99-410B-B011-5B821C5992FB", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:isa_3000:-:*:*:*:*:*:*:*", "matchCriteriaId": "9510E97A-FD78-43C6-85BC-223001ACA264", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*", "matchCriteriaId": "4AFD5C16-FA94-4FDA-9378-F93661419098", "versionEndExcluding": "6.5.0.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_management_center:2.9.14.0:*:*:*:*:*:*:*", "matchCriteriaId": "2986D5BD-1936-41BD-A992-7672C019F27E", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_management_center:2.9.14.14:*:*:*:*:*:*:*", "matchCriteriaId": "3D320926-6890-4A7F-85E2-7F46C2791499", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_management_center:2.9.15:*:*:*:*:*:*:*", "matchCriteriaId": "42493B4F-0CF2-45F0-B72D-36F0597CC274", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_management_center:2.9.16:*:*:*:*:*:*:*", "matchCriteriaId": "06F2E7D8-BB95-480D-AE3E-F9B97C3A5379", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_management_center:2.9.17:*:*:*:*:*:*:*", "matchCriteriaId": "6F41C382-C849-465C-AF77-0A787CA03BA7", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*", "matchCriteriaId": "0ADB3B5E-B17C-4D12-9ABE-1817CED279B2", "versionEndExcluding": "2.9.14", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network."}, {"lang": "es", "value": "M\u00faltiples productos de Cisco est\u00e1n afectados por una vulnerabilidad en el motor de detecci\u00f3n de aplicaciones de Snort que podr\u00eda permitir a un atacante remoto no autenticado omitir las pol\u00edticas configuradas en un sistema afectado. La vulnerabilidad es debido a un fallo en el algoritmo de detecci\u00f3n. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de paquetes dise\u00f1ados que fluir\u00edan a trav\u00e9s de un sistema afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante omitir las pol\u00edticas configuradas y entregar una carga \u00fatil maliciosa a la red protegida."}], "id": "CVE-2021-1236", "lastModified": "2024-11-26T16:09:02.407", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "ykramarz@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-13T22:15:20.583", "references": [{"source": "ykramarz@cisco.com", "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html"}, {"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq"}, {"source": "ykramarz@cisco.com", "url": "https://www.debian.org/security/2023/dsa-5354"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2023/dsa-5354"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-670"}], "source": "ykramarz@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-670"}], "source": "nvd@nist.gov", "type": "Primary"}]}