Read the docs
TI-2006-02308 Aliases CVE-2006-2369GHSA-p5jc-gpgq-6vfg

RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco…

Priority HIGH 76CWE-287Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, as originally demonstrated using a long password.

Why it matters now

EPSS 0.92355 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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:vnc:realvnc:4.1.1:*:*:*:*:*:*:*4.1.1VulnerableVnc
  • cpe:2.3:a:vnc:realvnc:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Vnc

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-2369
  2. 2026-10-03 Alias added: GHSA-p5jc-gpgq-6vfg

References

Exploit 1

Patch 2

Advisory 5

Other 5

  • TI-2004-01626 RealVNC 4.0 and earlier allows remote attackers to cause a denial of service (crash) via… CVSS 2.0MEDIUM 5.0

Sources

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