AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2011-1775

MEDIUM · CVSS 5.8 EPSS 1.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-05-26 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.8. See the original NVD description below for full technical details.

CVE
CVE-2011-1775
Severity
MEDIUM
CVSS
5.8
EPSS
1.29%

Original NVD 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.