{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20291", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2025-10-08T11:59:15.405Z", "datePublished": "2026-10-21T16:12:53.383Z", "dateUpdated": "2026-10-22T23:04:46.063Z"}, "containers": {"cna": {"title": "Multiple Cisco Products Snort 3 Software Hardening Release: October 2026", "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}}], "descriptions": [{"lang": "en", "value": "As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20291 are related to issues concerning improper privilege management that are grouped under the Common Weakness Enumeration (CWE) Base CWE-269."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-snort3-ybgmhTQe", "name": "cisco-sa-hardening-snort3-ybgmhTQe"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}], "source": {"advisory": "cisco-sa-hardening-snort3-ybgmhTQe", "discovery": "INTERNAL", "defects": ["CSCwu22792"]}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Privilege Management", "type": "cwe", "cweId": "CWE-269"}]}], "affected": [{"vendor": "Cisco", "product": "Cisco Cyber Vision", "versions": 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"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-snort3-ybgmhTQe", "name": "cisco-sa-hardening-snort3-ybgmhTQe"}], "descriptions": [{"lang": "en", "value": "As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20291 are related to issues concerning improper privilege management that are grouped under the Common Weakness Enumeration (CWE) Base CWE-269."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-269", "description": "Improper Privilege Management"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-10-22T19:11:03.079Z"}}}, "cveMetadata": {"cveId": "CVE-2026-20291", "state": "PUBLISHED", "dateUpdated": "2026-10-22T23:04:46.063Z", "dateReserved": "2025-10-08T11:59:15.405Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2026-10-21T16:12:53.383Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

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"17.12.1a"}, {"status": "affected", "version": "17.12.2"}, {"status": "affected", "version": "17.13.1a"}, {"status": "affected", "version": "17.12.3"}, {"status": "affected", "version": "17.14.1a"}, {"status": "affected", "version": "17.12.4"}, {"status": "affected", "version": "17.12.3a"}, {"status": "affected", "version": "17.15.1a"}, {"status": "affected", "version": "17.16.1a"}, {"status": "affected", "version": "17.12.4a"}, {"status": "affected", "version": "17.15.2c"}, {"status": "affected", "version": "17.12.4b"}, {"status": "affected", "version": "17.15.2a"}, {"status": "affected", "version": "17.12.5"}, {"status": "affected", "version": "17.17.1"}, {"status": "affected", "version": "17.12.5a"}, {"status": "affected", "version": "17.15.3a"}, {"status": "affected", "version": "17.15.3"}, {"status": "affected", "version": "17.12.5b"}, {"status": "affected", "version": "17.12.5c"}, {"status": "affected", "version": "17.15.4"}, {"status": "affected", "version": "17.18.1"}, {"status": "affected", "version": "17.18.1a"}, {"status": "affected", "version": "17.12.6"}, {"status": "affected", "version": "17.15.4c"}, {"status": "affected", "version": "17.12.5d"}, {"status": "affected", "version": "17.18.2"}, {"status": "affected", "version": "26.1.1"}, {"status": "affected", "version": "17.15.5"}, {"status": "affected", "version": "17.15.5a"}, {"status": "affected", "version": "17.12.7"}, {"status": "affected", "version": "17.12.7a"}, {"status": "affected", "version": "17.12.7b"}, {"status": "affected", "version": "17.18.3a"}, {"status": "affected", "version": "17.12.8"}, {"status": "affected", "version": "17.15.6"}, {"status": "affected", "version": "17.18.4"}, {"status": "affected", "version": "26.1.2"}]}], "source": "psirt@cisco.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20291 are related to issues concerning improper privilege management that are grouped under the Common Weakness Enumeration (CWE) Base CWE-269."}], "id": "CVE-2026-20291", "lastModified": "2026-10-22T23:18:31.427", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20291", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-21T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-10-21T17:18:28.473", "references": [{"source": "psirt@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-snort3-ybgmhTQe"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}