{"api_version":"1","generated_at":"2026-10-23T18:12:17+00:00","cve":"CVE-2026-20291","urls":{"html":"https://cve.report/CVE-2026-20291","api":"https://cve.report/api/cve/CVE-2026-20291.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20291","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20291"},"summary":{"title":"Multiple Cisco Products Snort 3 Software Hardening Release: October 2026","description":"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.","state":"PUBLISHED","assigner":"cisco","published_at":"2026-10-21 17:18:28","updated_at":"2026-10-22 23:18:31"},"problem_types":["CWE-269","CWE-269 Improper Privilege 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20291","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Cisco","product":"Cisco Cyber Vision","version":"affected 3.0.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Cyber Vision","version":"affected 3.0.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Cyber Vision","version":"affected 3.0.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Cyber Vision","version":"affected 3.0.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Cyber Vision","version":"affected 3.1.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Cyber Vision","version":"affected 3.0.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Cyber Vision","version":"affected 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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."}],"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."}],"metrics":[{"cvssV3_1":{"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"},"format":"cvssV3_1"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-269","description":"Improper Privilege Management","lang":"en","type":"cwe"}]}],"providerMetadata":{"dateUpdated":"2026-10-22T19:11:03.079Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"cisco-sa-hardening-snort3-ybgmhTQe","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-snort3-ybgmhTQe"}],"source":{"advisory":"cisco-sa-hardening-snort3-ybgmhTQe","defects":["CSCwu22792"],"discovery":"INTERNAL"},"title":"Multiple Cisco Products Snort 3 Software Hardening Release: October 2026"}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2026-20291","datePublished":"2026-10-21T16:12:53.383Z","dateReserved":"2025-10-08T11:59:15.405Z","dateUpdated":"2026-10-22T23:04:46.063Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-21 17:18:28","lastModifiedDate":"2026-10-22 23:18:31","problem_types":["CWE-269","CWE-269 Improper Privilege Management"],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"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"},"exploitabilityScore":1.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-21T00:00:00+00:00","id":"CVE-2026-20291","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20291","Ordinal":"1","Title":"Multiple Cisco Products Snort 3 Software Hardening Release: Octo","CVE":"CVE-2026-20291","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20291","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Multiple Cisco Products Snort 3 Software Hardening Release: Octo"}]}}}