CVE-2002-0964: n/a vulnerability

CVE-2002-0964: Half-Life Server 1.1.1.0 and earlier allows remote attackers to cause a denial of service (resource exhaust...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 03:12 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2002-0964 is an availability flaw in legacy Half-Life Server versions 1.1.1.0 and earlier. A remote attacker could consume player slots with fake connection state, preventing legitimate players from joining until those entries timed out. The business impact is service disruption for exposed game servers, not data theft or system takeover based on the provided sources. Exposure appears limited to organizations still operating internet-reachable Half-Life Server 1.1.1.0 or earlier instances. The provided affected-product metadata is incomplete, so confirm actual product names, versions, and deployment status from asset inventory before treating systems as affected. Treat this as a legacy availability risk. It matters if public Half-Life servers are part of customer service, events, or revenue; otherwise priority is mainly cleanup of obsolete exposed services. There is no source-backed evidence of active exploitation or broader compromise impact. Mitigation focus: Identify any Half-Life Server deployments and confirm their exact versions.; Retire or isolate Half-Life Server 1.1.1.0 and earlier where possible.; Check current vendor or community-maintainer guidance for available updates or configuration mitigations..

Prepared: Jun 30, 2026, 11:55 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 2, 2003, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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