{"id":"CVE-2019-13483","aliases":["GHSA-45fh-g845-pj9w"],"url":"https://o3.security/vulnerability/CVE-2019-13483","summary":"Auth0 Passport-SharePoint does not validate JWT signature","details":"Auth0 Passport-SharePoint before 0.4.0 does not validate the JWT signature of an Access Token before processing. This allows attackers to forge tokens and bypass authentication and authorization mechanisms.","published":"2019-07-25T20:15:11.730Z","modified":"2026-07-08T15:55:30.194733Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"passport-sharepoint","fixedVersion":"0.4.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://auth0.com/docs/security/bulletins/cve-2019-13483"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13483"},{"type":"PACKAGE","url":"https://github.com/auth0/passport-sharepoint"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T15:55:30.194733Z"}}