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CVE-2002-1336

nvd nist
Published: Dec 11, 2002Modified: Apr 16, 2026

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7.5
Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitability: 10.0 / Impact: 6.4
Source: NVD

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 (5)

Products: Tightvnc: Tightvnc
Tightvnc
1 product
Tightvnc
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Tightvnc
Tightvnc
Version 1.2.0
Tightvnc
Version 1.2.1
Tightvnc
Version 1.2.3
Tightvnc
Version 1.2.4
Tightvnc
Version 1.2.5

References (18)

Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.