First published: Tue Jan 23 2001(Updated: )
WinVNC 3.3.3 and earlier 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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
AT&T WinVNC | <=3.3.3 |
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CVE-2001-1422 is rated as a medium severity vulnerability due to its potential for exploitation in authentication bypass.
To fix CVE-2001-1422, upgrade to a version of WinVNC later than 3.3.3 where this vulnerability is addressed.
CVE-2001-1422 allows attackers to bypass VNC authentication by using sniffed challenge and response strings from other users.
CVE-2001-1422 affects WinVNC versions 3.3.3 and earlier.
CVE-2001-1422 can be considered moderately easy to exploit if an attacker has access to the network where VNC traffic can be sniffed.