{"id":"CVE-2020-23653","aliases":["EUVD-2022-2451","GHSA-4vp2-mj4m-69m4"],"status":"published","title":"ThinkAdmin insecure unserialize vulnerability","description":"An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in app/admin/controller/api/Update.php and app/wechat/controller/api/Push.php, which may lead to arbitrary remote code execution.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-11","score":0.04276,"percentile":0.91218,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2021-01-13T17:47:14Z","modified":"2026-10-20T10:52:50Z","fixes":[{"ecosystem":"Packagist","package":"zoujingli/thinkadmin","fixed_in":["6.1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"zoujingli/thinkadmin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0"},{"fixed":"6.1.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"zoujingli/thinkadmin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0"},{"fixed":"6.1.0"}]}]}],"products":[{"vendor":"thinkadmin","product":"thinkadmin"}],"references":[{"url":"https://github.com/zoujingli/ThinkAdmin/issues/238","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23653","tags":["advisory"]},{"url":"https://github.com/zoujingli/ThinkAdmin/commit/640a61ae0772dcd5209d74dff8ad373e61e8ad8c","tags":["web"]},{"url":"https://github.com/zoujingli/ThinkAdmin/commit/6ccd4055fc40d2d7d154920a1859a7c19774bd1a","tags":["web"]},{"url":"https://github.com/zoujingli/ThinkAdmin/commit/b8a2ded90866a285e9022c842e546d8a6fa5fa6d","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4vp2-mj4m-69m4"},{"url":"https://github.com/zoujingli/ThinkAdmin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-23653","description":"An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in app/admin/controller/api/Update.php and app/wechat/controller/api/Push.php, which may lead to arbitrary remote code execution.","status":"published","published":"2021-01-13T17:47:14Z","modified":"2024-08-04T14:58:15.03Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2022-2451","description":"An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in app/admin/controller/api/Update.php and app/wechat/controller/api/Push.php, which may lead to arbitrary remote code execution.","status":"published","published":"2021-01-13T17:47:14Z","modified":"2024-08-04T14:58:15Z","updated_at":"2026-11-03T03:07:21.209139Z"}],"ghsa":[{"id":"GHSA-4vp2-mj4m-69m4","title":"ThinkAdmin insecure unserialize vulnerability","description":"An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in `app/admin/controller/api/Update.php `and `app/wechat/controller/api/Push.php`, which may lead to arbitrary remote code execution.","status":"published","published":"2022-05-24T17:38:58Z","modified":"2025-05-15T18:48:22Z","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"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:38:43.172412Z"}],"nvd":[{"id":"CVE-2020-23653","description":"An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in app/admin/controller/api/Update.php and app/wechat/controller/api/Push.php, which may lead to arbitrary remote code execution.","status":"published","published":"2021-01-13T18:15:14.04Z","modified":"2026-06-17T03:04:53.637Z","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","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-502"],"updated_at":"2026-11-02T14:06:28.892872Z"}],"osv":[{"id":"CVE-2020-23653","description":"An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in app/admin/controller/api/Update.php and app/wechat/controller/api/Push.php, which may lead to arbitrary remote code execution.","status":"published","published":"2021-01-13T18:15:14.04Z","modified":"2026-10-20T10:52:50.321288125Z","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":"2026-11-02T15:44:15.534837Z"},{"id":"GHSA-4vp2-mj4m-69m4","title":"ThinkAdmin insecure unserialize vulnerability","description":"An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in `app/admin/controller/api/Update.php `and `app/wechat/controller/api/Push.php`, which may lead to arbitrary remote code execution.","status":"published","published":"2022-05-24T17:38:58Z","modified":"2025-05-15T18:48:21Z","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"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:37.528068Z"}]}}