CVE-2011-1775

MediumCVSS 5.8/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 5.8/10AV:N/AC:M/Au:N/C:P/I:P/A:N

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: May 26, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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