CVE-2001-0359: Sierra Half-Life

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

Format string vulnerability in Sierra Half-Life build 1573 and earlier allows a remote attacker to execute arbitrary code via the map command.

Affected products

• Sierra Half-Life: up to and including 1573
• Valve Software Half-Life Dedicated Server: up to and including 1573

Published 2001-06-27. Last modified 2026-06-16.