{"id":"CVE-2020-21787","aliases":["EUVD-2020-14555","GHSA-gmrc-j4q4-6cv6"],"status":"published","title":"CRMEB 3.1.0+ is vulnerable to File Upload Getshell via /crmeb/crmeb/services/UploadService.php.","description":"CRMEB 3.1.0+ is vulnerable to File Upload Getshell via /crmeb/crmeb/services/UploadService.php.","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":"2026-11-09","score":0.01846,"percentile":0.79217,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-06-24T14:51:50Z","modified":"2026-06-17T03:03:54Z","products":[{"vendor":"crmeb","product":"crmeb"}],"references":[{"url":"https://gitee.com/ZhongBangKeJi/CRMEB/issues/I18MGD","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21787"},{"url":"https://github.com/advisories/GHSA-gmrc-j4q4-6cv6"}],"sources":{"cve":[{"id":"CVE-2020-21787","description":"CRMEB 3.1.0+ is vulnerable to File Upload Getshell via /crmeb/crmeb/services/UploadService.php.","status":"published","published":"2021-06-24T14:51:50Z","modified":"2024-08-04T14:30:33.672Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14555","description":"CRMEB 3.1.0+ is vulnerable to File Upload Getshell via /crmeb/crmeb/services/UploadService.php.","status":"published","published":"2021-06-24T14:51:50Z","modified":"2024-08-04T14:30:33Z","updated_at":"2026-11-03T03:07:23.288973Z"}],"ghsa":[{"id":"GHSA-gmrc-j4q4-6cv6","title":"CRMEB 3.1.0+ is vulnerable to File Upload Getshell via /crmeb/crmeb/services/UploadService.php.","description":"CRMEB 3.1.0+ is vulnerable to File Upload Getshell via /crmeb/crmeb/services/UploadService.php.","status":"published","published":"2022-05-24T19:06:07Z","modified":"2023-01-29T05:07:07Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:09.170985Z"}],"nvd":[{"id":"CVE-2020-21787","description":"CRMEB 3.1.0+ is vulnerable to File Upload Getshell via /crmeb/crmeb/services/UploadService.php.","status":"published","published":"2021-06-24T15:15:08.147Z","modified":"2026-06-17T03:03:54.59Z","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":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}