CVE-2002-0964 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 3.2% (pctl 88)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 3.16% — more likely to be exploited than 88% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2002-10-04 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| valve software | half-life |
| valve software | half-life dedicated server |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Half-Life Server 1.1/3.1 - New Player Flood Denial of Service | 2002-06-20 |
References
- http://archives.neohapsis.com/archives/bugtraq/2002-06/0248.html
- http://www.iss.net/security_center/static/9412.php
- http://www.securityfocus.com/bid/5076
- http://archives.neohapsis.com/archives/bugtraq/2002-06/0248.html
- http://www.iss.net/security_center/static/9412.php
- http://www.securityfocus.com/bid/5076
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