{"id":"CVE-2017-16897","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-16897","generatedAt":"2026-10-28T21:18:59.162Z","title":"A vulnerability has been discovered in the Auth0 passport-wsfed-saml2 library affecting versions < 3.0.5.","description":"A vulnerability has been discovered in the Auth0 passport-wsfed-saml2 library affecting versions < 3.0.5. This vulnerability allows an attacker to impersonate another user and potentially elevate their privileges if the SAML identity provider does not sign the full SAML response (e.g., only signs the assertion within the response).","published":"2017-12-27T17:08:17.000Z","lastModified":"2026-06-17T01:10:07.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.1,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-290"],"affected":["auth0/passport-wsfed-saml2"],"epss":{"score":0.01378,"percentile":0.71945,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://auth0.com/docs/security/bulletins/cve-2017-16897","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://auth0.com/docs/security/bulletins/cve-2017-16897","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-16897","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}