{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2021-1236","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","dateUpdated":"2024-11-12T20:48:23.581Z","dateReserved":"2020-11-13T00:00:00.000Z","datePublished":"2021-01-13T21:17:03.406Z"},"containers":{"cna":{"title":"Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability","datePublic":"2021-01-13T00:00:00.000Z","providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2023-02-19T00:00:00.000Z"},"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."}],"affected":[{"vendor":"Cisco","product":"Cisco Firepower Threat Defense Software","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"name":"20210113 Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability","tags":["vendor-advisory"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq"},{"name":"[debian-lts-announce] 20230210 [SECURITY] [DLA 3317-1] snort security update","tags":["mailing-list"],"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html"},{"name":"DSA-5354","tags":["vendor-advisory"],"url":"https://www.debian.org/security/2023/dsa-5354"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-670","cweId":"CWE-670"}]}],"source":{"advisory":"cisco-sa-snort-app-bypass-cSBYCATq","defect":[["CSCvs85467","CSCvu21318"]],"discovery":"INTERNAL"},"exploits":[{"lang":"en","value":"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T16:02:56.434Z"},"title":"CVE Program Container","references":[{"name":"20210113 Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability","tags":["vendor-advisory","x_transferred"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq"},{"name":"[debian-lts-announce] 20230210 [SECURITY] [DLA 3317-1] snort security update","tags":["mailing-list","x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html"},{"name":"DSA-5354","tags":["vendor-advisory","x_transferred"],"url":"https://www.debian.org/security/2023/dsa-5354"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-08T20:55:08.338945Z","id":"CVE-2021-1236","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-12T20:48:23.581Z"}}]}}