CVE-2013-7236 Auth bypass in n/a

High 7.5 Published 29 Apr 2014 Updated 6 Aug 2024

Remote attackers can impersonate arbitrary users in Simple Machines Forum by exploiting Unicode homoglyph characters in usernames.

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-2013-7236?

CVE-2013-7236 is a high-severity authentication bypass vulnerability in n/a, published on 29 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Simple Machines Forum (SMF) 2.0.6, 1.1.19, and earlier allows remote attackers to impersonate arbitrary users via a Unicode homoglyph character in a username.

Weakness: CWE-20

Which versions are affected by CVE-2013-7236?

It affects 1 product.

Products include Simplemachines Simple Machines Forum.

How do I fix CVE-2013-7236?

No fix has been published for CVE-2013-7236 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-2013-7236 being exploited?

There is no known exploitation of CVE-2013-7236 in the wild and no public exploit code.

Sources

Also known as GHSA-jmcr-c7vm-2frw.