{"id":"CVE-2021-44954","aliases":["EUVD-2021-31752","GHSA-9799-8rm7-5qfp"],"status":"published","title":"In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the...","description":"In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00318,"percentile":0.25123,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-07-17T23:27:18Z","modified":"2026-06-17T04:12:59Z","products":[{"vendor":"qvis","product":"dvr_firmware"},{"vendor":"qvis","product":"nvr_firmware"}],"references":[{"url":"https://twitter.com/Me9187/status/1414906288287404039","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44954"},{"url":"https://github.com/advisories/GHSA-9799-8rm7-5qfp"}],"sources":{"cve":[{"id":"CVE-2021-44954","description":"In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.","status":"published","published":"2022-07-17T23:27:18Z","modified":"2024-08-04T04:32:13.444Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-31752","description":"In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.","status":"published","published":"2022-07-17T23:27:18Z","modified":"2024-08-04T04:32:13Z","updated_at":"2026-11-03T03:08:28.023592Z"}],"ghsa":[{"id":"GHSA-9799-8rm7-5qfp","title":"In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the...","description":"In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.","status":"published","published":"2022-07-19T00:00:31Z","modified":"2023-01-27T05:06:26Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:42:55.025134Z"}],"nvd":[{"id":"CVE-2021-44954","description":"In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.","status":"published","published":"2022-07-18T00:15:08.497Z","modified":"2026-06-17T04:12:59.653Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}