{"id":"CVE-2021-21403","aliases":["GHSA-8wrg-m8vm-5fvj"],"url":"https://o3.security/vulnerability/CVE-2021-21403","summary":"Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server","details":"In github.com/kongchuanhujiao/server before version 1.3.21 there is an authentication Bypass by Primary Weakness vulnerability. All users are impacted. This is fixed in version 1.3.21.","published":"2021-03-26T18:15:12.360Z","modified":"2026-07-08T06:29:53.172028962Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/kongchuanhujiao/server","fixedVersion":"1.3.21"}],"fix":{"url":"https://github.com/kongchuanhujiao/server/commit/9a125624f219e496bdf4b07b404816d5a309bdc1","label":"kongchuanhujiao/server@9a12562"},"references":[{"type":"ADVISORY","url":"https://github.com/kongchuanhujiao/server/security/advisories/GHSA-8wrg-m8vm-5fvj"},{"type":"FIX","url":"https://github.com/kongchuanhujiao/server/commit/9a125624f219e496bdf4b07b404816d5a309bdc1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T06:29:53.172028962Z"}}