{"cve":"CVE-2019-13483","nvd":{"published":"2019-07-25T20:15:11.730","modified":"2026-06-17T02:16:49.913","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-345"],"references":["https://auth0.com/docs/security/bulletins/cve-2019-13483","https://auth0.com/docs/security/bulletins/cve-2019-13483"],"products":["auth0:passport-sharepoint"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2019-13483","score":0.0056,"percentile":0.4665,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-45fh-g845-pj9w","url":"https://osv.dev/vulnerability/GHSA-45fh-g845-pj9w","summary":"Auth0 Passport-SharePoint does not validate JWT signature","modified":"2023-11-08T04:01:08.293435Z","packages":[{"ecosystem":"npm","name":"passport-sharepoint","purl":"pkg:npm/passport-sharepoint","ranges":["<0.4.0"],"fixed":["0.4.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}