{"id":"CVE-2021-40903","aliases":["EUVD-2021-28058","GHSA-grfx-5939-fmgg"],"status":"published","title":"A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside...","description":"A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside a settings file in flask server. Settings file has a predefined secret string, which would be randomly generated, however it is static.","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":0.04612,"percentile":0.91745,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-287","CWE-798"],"published":"2022-06-17T13:46:57Z","modified":"2026-06-17T04:07:37Z","exploits":[{"source":"pocgithub","id":"vulnz/CVE-2021-40903","title":"vulnz/CVE-2021-40903","date":"2022-06-19","url":"https://github.com/vulnz/CVE-2021-40903"}],"products":[{"vendor":"antminer_monitor_project","product":"antminer_monitor"}],"references":[{"url":"https://www.exploit-db.com/exploits/50267","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/anselal/antminer-monitor","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://packetstormsecurity.com/files/164048/Antminer-Monitor-0.5.0-Authentication-Bypass.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40903"},{"url":"https://github.com/advisories/GHSA-grfx-5939-fmgg"}],"sources":{"cve":[{"id":"CVE-2021-40903","description":"A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside a settings file in flask server. Settings file has a predefined secret string, which would be randomly generated, however it is static.","status":"published","published":"2022-06-17T13:46:57Z","modified":"2024-08-04T02:51:07.777Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-28058","description":"A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside a settings file in flask server. Settings file has a predefined secret string, which would be randomly generated, however it is static.","status":"published","published":"2022-06-17T13:46:57Z","modified":"2024-08-04T02:51:07Z","updated_at":"2026-11-03T03:24:19.692229Z"}],"ghsa":[{"id":"GHSA-grfx-5939-fmgg","title":"A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside...","description":"A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside a settings file in flask server. Settings file has a predefined secret string, which would be randomly generated, however it is static.","status":"published","published":"2022-06-18T00:00:25Z","modified":"2023-01-27T05:05:01Z","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-287"],"updated_at":"2026-11-02T14:42:36.158217Z"}],"nvd":[{"id":"CVE-2021-40903","description":"A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside a settings file in flask server. Settings file has a predefined secret string, which would be randomly generated, however it is static.","status":"published","published":"2022-06-17T14:15:08.06Z","modified":"2026-06-17T04:07:37.39Z","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-798"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}