CVE-1999-0526 Misconfiguration in n/a

Critical 10.0 Published 29 Sep 1999 Updated 1 Aug 2024

Attackers can connect to X servers with disabled access control, bypassing authentication to view or interact with the display.

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-1999-0526?

CVE-1999-0526 is a critical vulnerability in n/a, published on 29 Sep 1999. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.

Which versions are affected by CVE-1999-0526?

It affects 1 product.

Products include X.org X11.

How do I fix CVE-1999-0526?

No fix has been published for CVE-1999-0526 yet. Limit exposure of the affected software until one is available.

Is CVE-1999-0526 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-0526 exists.

Public exploit code: 3 Metasploit modules.

Sources

Also known as GHSA-fv34-2r8h-94mm.