CVEvulnerability

CVE-2011-1775

5.8 MEDIUM Published 2011-05-26 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-05-26
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
Weaknesses
CWE-20

Description

The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate.

Affected configurations

• tigervnc tigervnc 1.1

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References