{"id":"CVE-2026-20234","state":"PUBLISHED","title":"Cisco Identity Services Engine Hardening Release - Insuffiencently Protected Credential Vulnerabilities","description":"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 security review. 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This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20234 are related to insufficiently protected credentials issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-522."}],"affected":[{"vendor":"Cisco","product":"Cisco Identity Services Engine Software","defaultStatus":"unknown","versions":[{"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","status":"affected"}]},{"vendor":"Cisco","product":"Cisco ISE Passive Identity Connector","defaultStatus":"unknown","versions":[{"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","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T","name":"cisco-sa-hardening-ise-XU5EwX5T"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-522","lang":"en","description":"Insufficiently Protected Credentials","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-09-16T20:06:42.813Z"},"exploits":[{"lang":"en","value":"Except as otherwise noted previously, 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-ise-XU5EwX5T","discovery":"INTERNAL","defects":["CSCwu27787"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-20234","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-17T03:57:25.366451Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T11:39:24.514Z"}}]}}}