Read the docs
TI-2021-22415 Aliases CVE-2021-47799GHSA-f5m3-9gmr-6wrh

Visual Tools DVR VX16 4.2.28 - Local Privilege Escalation

Priority HIGH 70CWE-266Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00144 3rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Visual-ToolsVisual Tools DVR VX16Visual Tools VX16 4.2.28.0—No fix listedCNA
  • Visual Tools DVR VX16 VendorVisual-Tools Affected Visual Tools VX16 4.2.28.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47799
  2. 2026-10-03 Alias added: GHSA-f5m3-9gmr-6wrh

References

  • TI-2021-18580 In Visual Tools DVR VX16 4.2.28.0, an unauthenticated attacker can achieve remote command… CVSS 3.1CRITICAL 9.8

Sources