CVE-2021-47799
Medium
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.
SeverityMedium
CVSS6.2
Exploit probability—
ProductVisual Tools DVR VX16
PublishedJan 15, 2026
First seenJan 15, 2026
Weakness typeCWE-266CWE-266
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Visual-Tools Visual Tools DVR VX16 | Visual Tools VX16 4.2.28.0 | — |
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