CVE-2010-2075: Unrealircd

High severity, CVSS 7.5. EPSS: 83.5% chance of exploitation in the next 30 days.

UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an externally introduced modification (Trojan Horse) in the DEBUG3_DOLOG_SYSTEM macro, which allows remote attackers to execute arbitrary commands.

Affected products

• Unrealircd Unrealircd: version 3.2.8.1 only

Published 2010-06-15. Last modified 2026-06-16.