CVE-2002-0964

high

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.

References

http://www.securityfocus.com/bid/5076

http://www.iss.net/security_center/static/9412.php

http://archives.neohapsis.com/archives/bugtraq/2002-06/0248.html

Details

Source: Mitre, NVD

Published: 2002-10-04

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.04186