{"id":"CVE-2020-36255","details":"An issue was discovered in IdentityModel (aka ScottBrady.IdentityModel) before 1.3.0. The Branca implementation allows an attacker to modify and forge authentication tokens.","modified":"2026-04-02T05:37:12.463478Z","published":"2021-03-05T03:15:12.510Z","references":[{"type":"REPORT","url":"https://github.com/scottbrady91/IdentityModel/issues/4"},{"type":"REPORT","url":"https://github.com/scottbrady91/IdentityModel/issues/3"},{"type":"FIX","url":"https://github.com/scottbrady91/IdentityModel/compare/1.2.0...1.3.0"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/scottbrady91/IdentityModel","events":[{"introduced":"0"},{"fixed":"d1c1de09a1d684e90318fffe2628962970d85dee"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.3.0"}]}}],"versions":["1.0.0","1.1.0","1.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36255.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}