{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-54982","assignerOrgId":"73c6f63b-efac-410d-a0a9-569700f85a04","state":"PUBLISHED","assignerShortName":"Zscaler","dateReserved":"2025-08-04T14:51:53.367Z","datePublished":"2025-08-05T05:36:06.752Z","dateUpdated":"2026-02-26T17:49:58.538Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Authentication Server","vendor":"Zscaler","versions":[{"lessThan":"6.2r","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Richard Warren, AmberWolf"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">An improper verification of cryptographic signature in Zscaler's SAML authentication mechanism on the server-side allowed an authentication abuse.</span><br>"}],"value":"An improper verification of cryptographic signature in Zscaler's SAML authentication mechanism on the server-side allowed an authentication abuse."}],"impacts":[{"capecId":"CAPEC-114","descriptions":[{"lang":"en","value":"CAPEC-114 Authentication Abuse"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.6,"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:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"73c6f63b-efac-410d-a0a9-569700f85a04","shortName":"Zscaler","dateUpdated":"2025-08-05T05:36:06.752Z"},"references":[{"url":"https://help.zscaler.com/zia/about-identity-providers"}],"source":{"discovery":"UNKNOWN"},"title":"SAML 2.0 Public Key Validation Issue","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-54982","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-08-19T03:55:32.996098Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-26T17:49:58.538Z"}}]}}