{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-1495", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "dateUpdated": "2024-11-08T23:22:35.276Z", "dateReserved": "2020-11-13T00:00:00", "datePublished": "2021-04-29T17:31:20.004075Z"}, "containers": {"cna": {"title": "Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability", "datePublic": "2021-04-28T00:00:00", "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2023-02-19T00:00:00"}, "descriptions": [{"lang": "en", "value": "Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload."}], "affected": [{"vendor": "Cisco", "product": "Cisco Firepower Threat Defense Software", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"name": "20210428 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability", "tags": ["vendor-advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-fp-bp-KfDdcQhc"}, {"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_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "NA"}]}], "source": {"advisory": "cisco-sa-http-fp-bp-KfDdcQhc", "defect": [["CSCvw19272", "CSCvw59055"]], "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": "2024-08-03T16:11:17.563Z"}, "title": "CVE Program Container", "references": [{"name": "20210428 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability", "tags": ["vendor-advisory", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-fp-bp-KfDdcQhc"}, {"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": "2024-11-08T20:02:18.238315Z", "id": "CVE-2021-1495", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2024-11-08T23:22:35.276Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-fp-bp-KfDdcQhc", "name": "20210428 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability", "tags": ["vendor-advisory", "x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html", "name": "[debian-lts-announce] 20230210 [SECURITY] [DLA 3317-1] snort security update", "tags": ["mailing-list", "x_transferred"]}, {"url": "https://www.debian.org/security/2023/dsa-5354", "name": "DSA-5354", "tags": ["vendor-advisory", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T16:11:17.563Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-1495", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-08T20:02:18.238315Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-08T20:09:30.399Z"}}], "cna": {"title": "Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability", "source": {"defect": [["CSCvw19272", "CSCvw59055"]], "advisory": "cisco-sa-http-fp-bp-KfDdcQhc", "discovery": "INTERNAL"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Cisco", "product": "Cisco Firepower Threat Defense Software", "versions": [{"status": "affected", "version": "n/a"}]}], "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."}], "datePublic": "2021-04-28T00:00:00", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-fp-bp-KfDdcQhc", "name": "20210428 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability", "tags": ["vendor-advisory"]}, {"url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html", "name": "[debian-lts-announce] 20230210 [SECURITY] [DLA 3317-1] snort security update", "tags": ["mailing-list"]}, {"url": "https://www.debian.org/security/2023/dsa-5354", "name": "DSA-5354", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en", "value": "Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "NA"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2023-02-19T00:00:00"}}}, "cveMetadata": {"cveId": "CVE-2021-1495", "state": "PUBLISHED", "dateUpdated": "2024-11-08T23:22:35.276Z", "dateReserved": "2020-11-13T00:00:00", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2021-04-29T17:31:20.004075Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*", "matchCriteriaId": "FAE65CB5-08E5-41B6-9AC0-02451C90E833", "versionEndExcluding": "6.4.0.12", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*", "matchCriteriaId": "04202164-FCC4-413E-90B5-01FE08AC6EEC", "versionEndExcluding": "6.6.4", "versionStartIncluding": "6.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*", "matchCriteriaId": "FDDF492B-BC61-4814-B05F-3F6CD07080F7", "versionEndExcluding": "6.7.0.2", "versionStartIncluding": "6.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3BCB821-CD8E-4D1D-968E-D52715B4CDDE", "versionEndExcluding": "16.12.5", "versionStartIncluding": "16.12", "vulnerable": true}, {"criteria": "cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*", "matchCriteriaId": "3ABE8CC6-FFE8-48D2-B94A-C8AED78AA2D2", "versionEndExcluding": "2.9.17.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "F3A8DECA-0833-4207-9EC7-DFC60A7EF1C3", "versionEndExcluding": "17.3.3", "versionStartIncluding": "17.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "3CFEDAF8-A6E8-4F01-B6D5-5099107BF77F", "versionEndExcluding": "17.4.1", "versionStartIncluding": "17.4", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:1100-4g\\/6g_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "A6F668B9-2C1D-4306-8286-35E67D0F67C7", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1101_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "5EB8A757-7888-4AC2-BE44-B89DB83C6C77", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1109_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "B80890A8-E3D3-462C-B125-9E9BC6525B02", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1111x_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "0547E196-5991-4C33-823A-342542E9DFD3", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:111x_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "802CBFC1-8A2F-4BF7-A1D3-00622C33BE16", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1120_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "7AFE0FC1-EEBC-42F0-88B0-4AF5B76DDD97", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:1160_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "D916389F-54DB-44CB-91DD-7CE3C7059350", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:3000_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "9B8C4D97-A430-45FB-9EF5-B6E4DBA1BD31", "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:4331_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "5419CB9F-241F-4431-914F-2659BE27BEA5", "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:4461_integrated_services_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "E8B60888-6E2B-494E-AC65-83337661EE7D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:c8200-1n-4t:-:*:*:*:*:*:*:*", "matchCriteriaId": "CCF17101-9EF9-47BB-B966-0FA9B71AEEFA", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:c8200l-1n-4t:-:*:*:*:*:*:*:*", "matchCriteriaId": "E2F0C218-B0FF-4BEC-B76F-1F4BAA6D0960", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:catalyst_8300-1n1s-4t2x:-:*:*:*:*:*:*:*", "matchCriteriaId": "5E7E8914-7B25-4097-8B22-6928C1F03D5A", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:catalyst_8300-1n1s-6t:-:*:*:*:*:*:*:*", "matchCriteriaId": "B207857B-C483-47DF-9FC7-6A05B866BF60", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:catalyst_8300-2n2s-4t2x:-:*:*:*:*:*:*:*", "matchCriteriaId": "CD26746A-80D1-4C48-BF77-E9F7EEEF7EA7", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:catalyst_8300-2n2s-6t:-:*:*:*:*:*:*:*", "matchCriteriaId": "BDB16CCE-1E89-4707-86C1-97F2FB5B62B9", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:catalyst_8500l:-:*:*:*:*:*:*:*", "matchCriteriaId": "04AB61E9-0148-495E-BD21-64D52DE60A6C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload."}, {"lang": "es", "value": "M\u00faltiples productos de Cisco est\u00e1n afectados por una vulnerabilidad en el motor de detecci\u00f3n Snort que podr\u00eda permitir a un atacante remoto no autenticado omitir una pol\u00edtica de archivos configurada para HTTP. La vulnerabilidad es debido a un manejo incorrecto de par\u00e1metros espec\u00edficos del encabezado HTTP. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de paquetes HTTP dise\u00f1ados por medio de un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante omitir una pol\u00edtica de archivos configurada para paquetes HTTP y entregar una carga \u00fatil maliciosa"}], "id": "CVE-2021-1495", "lastModified": "2024-11-21T05:44:28.830", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "ykramarz@cisco.com", "type": "Secondary"}, {"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": "2021-04-29T18:15:09.430", "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-http-fp-bp-KfDdcQhc"}, {"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-http-fp-bp-KfDdcQhc"}, {"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-755"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}