CVE-2021-47799 HIGH

CVE-2021-47799: Visual Tools DVR VX16 4.2.28 - Local Privilege Escalation

Vendor Visual-Tools
Product Visual Tools DVR VX16
Weakness CWE-266
Published January 15, 2026
Last update January 15, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
January 15, 2026 Record updated