{"id":"CVE-2026-20192","title":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal securi…","summary":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal securi…","severity":"critical","cvss":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-284"],"vendor":"Cisco","product":"Cisco Identity Services Engine Software","affected":["identity_services_engine_software 3.1.0","identity_services_engine_software 3.1.0 p1","identity_services_engine_software 3.1.0 p3","identity_services_engine_software 3.1.0 p2","identity_services_engine_software 3.2.0","identity_services_engine_software 3.1.0 p4","identity_services_engine_software 3.1.0 p5","identity_services_engine_software 3.2.0 p1","identity_services_engine_software 3.1.0 p6","identity_services_engine_software 3.2.0 p2","identity_services_engine_software 3.1.0 p7","identity_services_engine_software 3.3.0","identity_services_engine_software 3.2.0 p3","identity_services_engine_software 3.2.0 p4","identity_services_engine_software 3.1.0 p8","identity_services_engine_software 3.2.0 p5","identity_services_engine_software 3.2.0 p6","identity_services_engine_software 3.1.0 p9","identity_services_engine_software 3.3 Patch 2","identity_services_engine_software 3.3 Patch 1","identity_services_engine_software 3.3 Patch 3","identity_services_engine_software 3.4.0","identity_services_engine_software 3.2.0 p7","identity_services_engine_software 3.3 Patch 4","identity_services_engine_software 3.4 Patch 1","identity_services_engine_software 3.1.0 p10","identity_services_engine_software 3.3 Patch 5","identity_services_engine_software 3.3 Patch 6","identity_services_engine_software 3.4 Patch 2","identity_services_engine_software 3.3 Patch 7","identity_services_engine_software 3.4 Patch 3","identity_services_engine_software 3.5.0","identity_services_engine_software 3.4 Patch 4","identity_services_engine_software 3.3 Patch 8","identity_services_engine_software 3.2 Patch 8","identity_services_engine_software 3.5 Patch 1","identity_services_engine_software 3.3 Patch 9","identity_services_engine_software 3.2 Patch 9","identity_services_engine_software 3.4 Patch 5","identity_services_engine_software 3.5 Patch 3","identity_services_engine_software 3.5 Patch 2","identity_services_engine_software 3.3 Patch 10","identity_services_engine_software 3.3 Patch 11","identity_services_engine_software 3.4 Patch 6","identity_services_engine_software 3.2 Patch 10","identity_services_engine_software 3.1.0 p72","identity_services_engine_software 3.1.0 p11","ise_passive_identity_connector 3.2.0","ise_passive_identity_connector 3.1.0","ise_passive_identity_connector 3.3.0"],"published":"2026-09-16","updated":"2026-09-18","sourceUpdated":"2026-09-18T14:17:16.023","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-20192","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T","label":"psirt@cisco.com"},{"url":"https://software.cisco.com"}],"tags":["nvd","cve.org","csaf","vendor-advisory","cisco"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-18T03:55:53.856937Z"},"epss":0.00431,"epssPercentile":0.36802,"ingestedAt":"2026-09-16T16:37:52.194Z","slug":"CVE-2026-20192","body":"## Overview\n\nAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20192 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **cisco-sa-hardening-ise-XU5EwX5T** · Cisco · affected: Cisco Identity Services Engine Software (245 versions), Cisco ISE Passive Identity Connector (6 versions) · updated 2026-09-16 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T)","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}