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TI-2001-00166 Aliases CVE-2001-0168GHSA-mmw4-2xp2-gfrq

Buffer overflow in AT&T WinVNC (Virtual Network Computing) server 3.3.3r7 and earlier…

Priority HIGH 80Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Buffer overflow in AT&T WinVNC (Virtual Network Computing) server 3.3.3r7 and earlier allows remote attackers to execute arbitrary commands via a long HTTP GET request when the DebugLevel registry key is greater than 0.

Why it matters now

EPSS 0.7073 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:att:winvnc:*:*:*:*:*:*:*:*up to 3.3.3r7VulnerableAT&T
  • cpe:2.3:a:att:winvnc:*:*:*:*:*:*:*:* Versions up to 3.3.3r7 Vulnerable ·AT&T

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2001-0168
  2. 2026-10-03 Alias added: GHSA-mmw4-2xp2-gfrq

References

Advisory 1

Other 1

  • TI-2001-00165 Buffer overflow in AT&T WinVNC (Virtual Network Computing) client 3.3.3r7 and earlier… CVSS 2.0HIGH 7.6
  • TI-2000-01152 WinVNC installs the WinVNC3 registry key with permissions that give Special Access (read… CVSS 2.0HIGH 9.0
  • TI-2001-01374 WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections… CVSS 2.0HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences