{"api_version":"1","generated_at":"2026-09-17T07:51:44+00:00","cve":"CVE-2026-20234","urls":{"html":"https://cve.report/CVE-2026-20234","api":"https://cve.report/api/cve/CVE-2026-20234.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20234","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20234"},"summary":{"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. 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.","state":"PUBLISHED","assigner":"cisco","published_at":"2026-09-16 17:17:16","updated_at":"2026-09-17 04:17:37"},"problem_types":["CWE-522","CWE-522 Insufficiently Protected Credentials"],"metrics":[{"version":"3.1","source":"psirt@cisco.com","type":"Secondary","score":"9.9","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","data":{"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"}},{"version":"3.1","source":"CNA","type":"CVSSV3_1","score":"9.9","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T","name":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T","refsource":"psirt@cisco.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-20234","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20234","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0 p1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0 p2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0 p3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0 p4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p8","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0 p5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0 p6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.4.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2.0 p7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.4 Patch 1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p10","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.4 Patch 2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.4 Patch 3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.5.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.4 Patch 4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 8","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2 Patch 8","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.5 Patch 1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2 Patch 9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.4 Patch 5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.5 Patch 3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.5 Patch 2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 10","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.3 Patch 11","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.4 Patch 6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.2 Patch 10","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p72","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Identity Services Engine Software","version":"affected 3.1.0 p11","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco ISE Passive Identity Connector","version":"affected 3.2.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco ISE Passive Identity Connector","version":"affected 3.1.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco ISE Passive Identity Connector","version":"affected 3.3.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco ISE Passive Identity Connector","version":"affected 3.4.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco ISE Passive Identity Connector","version":"affected 3.5.0","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[{"source":"CNA","title":"","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.","time":"","lang":"en"}],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-20234","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-09-16T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-17T03:57:24.450Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unknown","product":"Cisco Identity Services Engine Software","vendor":"Cisco","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","product":"Cisco ISE Passive Identity Connector","vendor":"Cisco","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"}]}],"descriptions":[{"lang":"en","value":"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. 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."}],"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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"cvssV3_1"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-522","description":"Insufficiently Protected Credentials","lang":"en","type":"cwe"}]}],"providerMetadata":{"dateUpdated":"2026-09-16T20:06:42.813Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"cisco-sa-hardening-ise-XU5EwX5T","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T"}],"source":{"advisory":"cisco-sa-hardening-ise-XU5EwX5T","defects":["CSCwu27787"],"discovery":"INTERNAL"},"title":"Cisco Identity Services Engine Hardening Release - Insuffiencently Protected Credential Vulnerabilities"}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2026-20234","datePublished":"2026-09-16T16:56:18.365Z","dateReserved":"2025-10-08T11:59:15.399Z","dateUpdated":"2026-09-17T03:57:24.450Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 17:17:16","lastModifiedDate":"2026-09-17 04:17:37","problem_types":["CWE-522","CWE-522 Insufficiently Protected Credentials"],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"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"},"exploitabilityScore":3.1,"impactScore":6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-16T00:00:00+00:00","id":"CVE-2026-20234","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20234","Ordinal":"1","Title":"Cisco Identity Services Engine Hardening Release - Insuffiencent","CVE":"CVE-2026-20234","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20234","Ordinal":"1","NoteData":"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. 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.","Type":"Description","Title":"Cisco Identity Services Engine Hardening Release - Insuffiencent"}]}}}