7.5
CWE
NVD-CWE-Other
Advisory Published
CVE Published
Updated

CVE-2001-1422

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 SoftwareAffected VersionHow to fix
AT&T WinVNC<=3.3.3

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Frequently Asked Questions

  • What is the severity of CVE-2001-1422?

    CVE-2001-1422 is rated as a medium severity vulnerability due to its potential for exploitation in authentication bypass.

  • How do I fix CVE-2001-1422?

    To fix CVE-2001-1422, upgrade to a version of WinVNC later than 3.3.3 where this vulnerability is addressed.

  • What does CVE-2001-1422 allow attackers to do?

    CVE-2001-1422 allows attackers to bypass VNC authentication by using sniffed challenge and response strings from other users.

  • Which versions of WinVNC are affected by CVE-2001-1422?

    CVE-2001-1422 affects WinVNC versions 3.3.3 and earlier.

  • Is CVE-2001-1422 easy to exploit?

    CVE-2001-1422 can be considered moderately easy to exploit if an attacker has access to the network where VNC traffic can be sniffed.

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