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.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://visual-tools.com/ cve-icon cve-icon
https://www.exploit-db.com/exploits/50104 cve-icon cve-icon
History

Thu, 15 Jan 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Jan 2026 16:00:00 +0000

Type Values Removed Values Added
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.
Title Visual Tools DVR VX16 4.2.28 - Local Privilege Escalation
Weaknesses CWE-266
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-15T16:32:06.015Z

Reserved: 2026-01-14T14:39:44.739Z

Link: CVE-2021-47799

cve-icon Vulnrichment

Updated: 2026-01-15T16:32:02.265Z

cve-icon NVD

Status : Received

Published: 2026-01-15T16:16:10.177

Modified: 2026-01-15T16:16:10.177

Link: CVE-2021-47799

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses