CVE-2002-0916: Stellar-X Software Msntauth

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

Format string vulnerability in the allowuser code for the Stellar-X msntauth authentication module, as distributed in Squid 2.4.STABLE6 and earlier, allows remote attackers to execute arbitrary code via format strings in the user name, which are not properly handled in a syslog call.

Affected products

• Stellar-X Software Msntauth: up to and including 2.0.3

Published 2002-10-04. Last modified 2026-06-16.