CVE Catalog

CVE-2001-1422

High
Published: Translated: NVD NIST

Summary

WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections, allowing remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.

Risk Assessment

Attackers can gain access to other users' VNC sessions, potentially leading to system takeover.

Recommendation

It is recommended to update WinVNC to the latest version to eliminate this vulnerability and implement additional security measures such as VPN.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS