{"id":"CVE-2021-47799","aliases":["EUVD-2026-2754","GHSA-f5m3-9gmr-6wrh"],"status":"published","title":"Visual Tools DVR VX16 4.2.28 - Local Privilege Escalation","description":"Visual Tools DVR VX16 version 4.2.28 contains a local privilege escalation vulnerability in its Sudo configuration that allows attackers to gain root access. Attackers can exploit the unsafe Sudo settings by using mount commands to bind a shell, enabling unauthorized system-level privileges.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00144,"percentile":0.03689,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-266"],"published":"2026-01-15T15:52:15Z","modified":"2026-07-28T01:47:23Z","products":[{"vendor":"visual-tools","product":"visual tools dvr vx16"}],"references":[{"url":"https://www.exploit-db.com/exploits/50104","tags":["exploit"]},{"url":"https://visual-tools.com/","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47799"},{"url":"https://visual-tools.com"},{"url":"https://github.com/advisories/GHSA-f5m3-9gmr-6wrh"}],"sources":{"cve":[{"id":"CVE-2021-47799","title":"Visual Tools DVR VX16 4.2.28 - Local Privilege Escalation","description":"Visual Tools DVR VX16 version 4.2.28 contains a local privilege escalation vulnerability in its Sudo configuration that allows attackers to gain root access. Attackers can exploit the unsafe Sudo settings by using mount commands to bind a shell, enabling unauthorized system-level privileges.","status":"published","published":"2026-01-15T15:52:15.717Z","modified":"2026-07-28T01:47:23.044Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:32:56.308189Z"}],"euvd":[{"id":"EUVD-2026-2754","description":"Visual Tools DVR VX16 version 4.2.28 contains a local privilege escalation vulnerability in its Sudo configuration that allows attackers to gain root access. Attackers can exploit the unsafe Sudo settings by using mount commands to bind a shell, enabling unauthorized system-level privileges.","status":"published","published":"2026-01-15T15:52:15Z","modified":"2026-07-28T01:47:23Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:02:32.984181Z"}],"ghsa":[{"id":"GHSA-f5m3-9gmr-6wrh","title":"Visual Tools DVR VX16 version 4.2.28 contains a local privilege escalation vulnerability in its...","description":"Visual Tools DVR VX16 version 4.2.28 contains a local privilege escalation vulnerability in its Sudo configuration that allows attackers to gain root access. Attackers can exploit the unsafe Sudo settings by using mount commands to bind a shell, enabling unauthorized system-level privileges.","status":"published","published":"2026-01-15T18:31:32Z","modified":"2026-01-15T18:31:48Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T15:05:37.551338Z"}],"nvd":[{"id":"CVE-2021-47799","description":"Visual Tools DVR VX16 version 4.2.28 contains a local privilege escalation vulnerability in its Sudo configuration that allows attackers to gain root access. Attackers can exploit the unsafe Sudo settings by using mount commands to bind a shell, enabling unauthorized system-level privileges.","status":"published","published":"2026-01-15T16:16:10.177Z","modified":"2026-06-17T04:18:30.943Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}