{"id":"CVE-2021-21403","aliases":["GHSA-8wrg-m8vm-5fvj"],"title":"Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server","summary":"Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","vendor":"kongchuanhujiao","product":"github.com/kongchuanhujiao/server","ecosystem":"go","affected":["github.com/kongchuanhujiao/server < 1.3.21"],"patched":["github.com/kongchuanhujiao/server 1.3.21"],"published":"2022-02-15","updated":"2026-07-08","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-8wrg-m8vm-5fvj","references":[{"url":"https://github.com/kongchuanhujiao/server/security/advisories/GHSA-8wrg-m8vm-5fvj"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21403"},{"url":"https://github.com/kongchuanhujiao/server/commit/9a125624f219e496bdf4b07b404816d5a309bdc1"}],"tags":["osv","go"],"epss":0.01359,"epssPercentile":0.70509,"ingestedAt":"2026-07-09T18:56:36.252Z","slug":"CVE-2021-21403","body":"## Overview\n\n### Impact\n\nAuthentication Bypass by Primary Weakness (CWE-305)\n\nCommit:\n\nhttps://github.com/kongchuanhujiao/server/commit/9a125624f219e496bdf4b07b404816d5a309bdc1\n\nALL Users  is impacted.\n\n### Patches\n\nYes, PLEASE UPGRADE TO v1.3.21-beta.d0ffc0a6\n\n## Affected packages\n\n- `github.com/kongchuanhujiao/server < 1.3.21`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/kongchuanhujiao/server 1.3.21`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}