CVEvulnerability

CVE-2002-1336

7.5 HIGH Published 2002-12-11 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2002-12-11
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P

Description

TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.

Affected configurations

• tightvnc tightvnc 1.2.0 • tightvnc tightvnc 1.2.1 • tightvnc tightvnc 1.2.3 • tightvnc tightvnc 1.2.4 • tightvnc tightvnc 1.2.5

References