{"id":"CVE-2021-4033","aliases":["EUVD-2021-2440","GHSA-4jwx-78vx-gm6g"],"status":"published","title":"Cross-Site Request Forgery (CSRF) in kevinpapst/kimai2","description":"kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00522,"percentile":0.44568,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2021-12-09T19:55:10Z","modified":"2026-10-20T10:54:55Z","fixes":[{"ecosystem":"Packagist","package":"kevinpapst/kimai2","fixed_in":["1.16.7"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"kevinpapst/kimai2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.7"}]}]},{"source":"osv","ecosystem":"Packagist","package":"kevinpapst/kimai2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.7"}]}],"versions":["0.1","0.2","0.3","0.4","0.5","0.6","0.6.1","0.7","0.8","0.8.1","0.9","1.0","1.0.1","1.1","1.10","1.10.1","1.10.2","1.11","1.11.1","1.12","1.13","1.14","1.14.1","1.14.2","1.14.3","1.15","1.15.1","1.15.2","1.15.3","1.15.4","1.15.5","1.15.6","1.16","1.16.1","1.16.2","1.16.3","1.16.4","1.16.5","1.16.6","1.2","1.3","1.4","1.4.1","1.4.2","1.5","1.6","1.6.1","1.6.2","1.7","1.8","1.9"]}],"products":[{"vendor":"kevinpapst","product":"kevinpapst/kimai2"},{"vendor":"kimai","product":"kimai_2"}],"references":[{"url":"https://huntr.dev/bounties/e05be1f7-d00c-4cfd-9390-ccd9d1c737b7","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/kevinpapst/kimai2/commit/1da26e041df62c10bd8075d78f2db7854d3eee07","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4033","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4jwx-78vx-gm6g"},{"url":"https://github.com/kevinpapst/kimai2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-4033","title":"Cross-Site Request Forgery (CSRF) in kevinpapst/kimai2","description":"kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-09T19:55:10Z","modified":"2024-08-03T17:16:03.733Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-2440","description":"kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-09T19:55:10Z","modified":"2024-08-03T17:16:03Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T03:25:10.888157Z"}],"ghsa":[{"id":"GHSA-4jwx-78vx-gm6g","title":"Cross-Site Request Forgery in kimai2","description":"CSRF in saving invoices / modifying status of invoices (pending and cancel only)","status":"published","published":"2021-12-10T20:34:01Z","modified":"2023-02-01T05:06:48Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:36:39.76883Z"}],"nvd":[{"id":"CVE-2021-4033","description":"kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-09T20:15:08.357Z","modified":"2026-06-17T04:18:55.61Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:07:02.189991Z"}],"osv":[{"id":"CVE-2021-4033","description":"kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-09T20:15:08.357Z","modified":"2026-10-20T10:54:55.797921699Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.249056Z"},{"id":"GHSA-4jwx-78vx-gm6g","title":"Cross-Site Request Forgery in kimai2","description":"CSRF in saving invoices / modifying status of invoices (pending and cancel only)","status":"published","published":"2021-12-10T20:34:01Z","modified":"2023-11-08T04:06:47.223161Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:37.148947Z"}]}}