CVE-2011-3372 Auth bypass in n/a

High 7.5 Published 24 Dec 2011 Updated 17 Sep 2024

Remote attackers can bypass authentication in the Cyrus IMAPd NNTP server by sending an incomplete authentication sequence.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2011-3372?

CVE-2011-3372 is a high-severity authentication bypass vulnerability in n/a, published on 24 Dec 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command.

Weakness: CWE-287

Which versions are affected by CVE-2011-3372?

It affects 1 product.

Products include Cyrus Imapd.

How do I fix CVE-2011-3372?

Upgrade to a fixed version.

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

Is CVE-2011-3372 being exploited?

There is no known exploitation of CVE-2011-3372 in the wild and no public exploit code.

Sources

Also known as GHSA-vq7q-vrrq-cr5f.