CVE Database · CVE-2002-0964
CVSS v3.1
N/A
EPSS
3.16%
Published
Oct 4, 2002
Modified
Jun 16, 2026
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Half-Life Server 1.1.1.0 and earlier allows remote attackers to cause a denial of service (resource exhaustion) via multiple responses to the initial challenge with different cd_key values, which reaches the player limit and prevents other players from connecting until the original responses have timed out.
Affected Products (7)
References (6)