CVE-2026-76447

{"id": "CVE-2026-76447", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76447", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-17T14:02:25.606583Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "psirt@cisco.com", "affectedData": [{"vendor": "Cisco", "product": "Cisco Identity Services Engine Software", "versions": [{"status": "affected", "version": "3.1.0"}, {"status": "affected", "version": "3.1.0 p1"}, {"status": "affected", "version": "3.1.0 p3"}, {"status": "affected", "version": "3.1.0 p2"}, {"status": "affected", "version": "3.2.0"}, {"status": "affected", "version": "3.1.0 p4"}, {"status": "affected", "version": "3.1.0 p5"}, {"status": "affected", "version": "3.2.0 p1"}, {"status": "affected", "version": "3.1.0 p6"}, {"status": "affected", "version": "3.2.0 p2"}, {"status": "affected", "version": "3.1.0 p7"}, {"status": "affected", "version": "3.3.0"}, {"status": "affected", "version": "3.2.0 p3"}, {"status": "affected", "version": "3.2.0 p4"}, {"status": "affected", "version": "3.1.0 p8"}, {"status": "affected", "version": "3.2.0 p5"}, {"status": "affected", "version": "3.2.0 p6"}, {"status": "affected", "version": "3.1.0 p9"}, {"status": "affected", "version": "3.3 Patch 2"}, {"status": "affected", "version": "3.3 Patch 1"}, {"status": "affected", "version": "3.3 Patch 3"}, {"status": "affected", "version": "3.4.0"}, {"status": "affected", "version": "3.2.0 p7"}, {"status": "affected", "version": "3.3 Patch 4"}, {"status": "affected", "version": "3.4 Patch 1"}, {"status": "affected", "version": "3.1.0 p10"}, {"status": "affected", "version": "3.3 Patch 5"}, {"status": "affected", "version": "3.3 Patch 6"}, {"status": "affected", "version": "3.4 Patch 2"}, {"status": "affected", "version": "3.3 Patch 7"}, {"status": "affected", "version": "3.4 Patch 3"}, {"status": "affected", "version": "3.5.0"}, {"status": "affected", "version": "3.4 Patch 4"}, {"status": "affected", "version": "3.3 Patch 8"}, {"status": "affected", "version": "3.2 Patch 8"}, {"status": "affected", "version": "3.5 Patch 1"}, {"status": "affected", "version": "3.3 Patch 9"}, {"status": "affected", "version": "3.2 Patch 9"}, {"status": "affected", "version": "3.4 Patch 5"}, {"status": "affected", "version": "3.5 Patch 3"}, {"status": "affected", "version": "3.5 Patch 2"}, {"status": "affected", "version": "3.3 Patch 10"}, {"status": "affected", "version": "3.3 Patch 11"}, {"status": "affected", "version": "3.4 Patch 6"}, {"status": "affected", "version": "3.2 Patch 10"}, {"status": "affected", "version": "3.1.0 p72"}, {"status": "affected", "version": "3.1.0 p11"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco ISE Passive Identity Connector", "versions": [{"status": "affected", "version": "3.2.0"}, {"status": "affected", "version": "3.1.0"}, {"status": "affected", "version": "3.3.0"}, {"status": "affected", "version": "3.4.0"}, {"status": "affected", "version": "3.5.0"}], "defaultStatus": "unknown"}]}], "published": "2026-09-16T21:17:20.730", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multiauth-bypass-sgD2HbL4", "tags": ["Vendor Advisory"], "source": "psirt@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Online Certificate Status Protocol (OCSP) responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material.\r\n\r\nThis vulnerability is due to missing authentication on a function of the OCSP responder. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to cause the OCSP responder to reload certificate and key material on demand."}], "lastModified": "2026-09-28T13:09:41.163", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7F4D769-1845-41F0-8F15-B5D8AC15DFD9", "versionEndExcluding": "3.3.0"}, {"criteria": "cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B3736136-9FD8-4B12-B119-EA15201224D9"}, {"criteria": "cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch10:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB15AE6D-F4EF-40AD-A88E-D22612AEF2A4"}, {"criteria": "cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch11:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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