{"id":"CVE-2021-21403","aliases":["EUVD-2022-0927","GHSA-8wrg-m8vm-5fvj"],"status":"published","title":"Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01359,"percentile":0.72098,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287","CWE-305"],"published":"2021-03-26T17:15:15Z","modified":"2026-10-20T10:53:39Z","fixes":[{"ecosystem":"Go","package":"github.com/kongchuanhujiao/server","fixed_in":["1.3.21"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/kongchuanhujiao/server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.21"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kongchuanhujiao/server","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.21"}]}]}],"products":[{"vendor":"devolutions","product":"server"},{"vendor":"kongchuanhujiao","product":"server"},{"vendor":"kongchuanhujiao_project","product":"kongchuanhujiao"}],"references":[{"url":"https://github.com/kongchuanhujiao/server/security/advisories/GHSA-8wrg-m8vm-5fvj","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/kongchuanhujiao/server/commit/9a125624f219e496bdf4b07b404816d5a309bdc1","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21403","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8wrg-m8vm-5fvj"}],"sources":{"cve":[{"id":"CVE-2021-21403","title":"Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server","description":"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.","status":"published","published":"2021-03-26T17:15:15Z","modified":"2024-08-03T18:09:15.87Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-305"],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2022-0927","description":"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.","status":"published","published":"2021-03-26T17:15:15Z","modified":"2024-08-03T18:09:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T03:25:06.347262Z"}],"ghsa":[{"id":"GHSA-8wrg-m8vm-5fvj","title":"Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server","description":"### 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","status":"published","published":"2022-02-15T01:57:18Z","modified":"2023-01-29T05:06:23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287","CWE-305"],"updated_at":"2026-11-02T14:36:26.667347Z"}],"nvd":[{"id":"CVE-2021-21403","description":"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.","status":"published","published":"2021-03-26T18:15:12.36Z","modified":"2026-06-17T03:35:29.893Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-305","CWE-287"],"updated_at":"2026-11-02T14:06:51.197859Z"}],"osv":[{"id":"CVE-2021-21403","description":"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.","status":"published","published":"2021-03-26T18:15:12.36Z","modified":"2026-10-20T10:53:39.285678714Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:18.004149Z"},{"id":"GHSA-8wrg-m8vm-5fvj","title":"Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server","description":"### 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","status":"published","published":"2022-02-15T01:57:18Z","modified":"2026-07-08T06:29:18.11092583Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287","CWE-305"],"updated_at":"2026-11-02T15:46:42.78452Z"}]}}