CVE-2001-1422 Auth bypass in n/a

High 7.5 Published 20 Mar 2005 Updated 8 Aug 2024

Remote attackers can bypass VNC authentication by sniffing reused challenge strings, gaining unauthorized access to the system.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2001-1422?

CVE-2001-1422 is a high-severity authentication bypass vulnerability in n/a, published on 20 Mar 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2001-1422?

It affects 1 product.

Products include Att Winvnc.

How do I fix CVE-2001-1422?

No fix has been published for CVE-2001-1422 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2001-1422 being exploited?

There is no known exploitation of CVE-2001-1422 in the wild and no public exploit code.

Sources

Also known as GHSA-hf8p-xhgf-8g9v.