How severe is CVE-2003-1325?

CVE-2003-1325 has a CVSS 2.0 base score of 5.2, rated medium severity.

Is CVE-2003-1325 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1325?

CVE-2003-1325 affects Valve Software Half-life Cstrike Dedicated Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1325?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-1325 published?

CVE-2003-1325 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-1325

CVE-2003-1325 is a medium-severity vulnerability in Valve Software Half-life Cstrike Dedicated Server with a CVSS 2.0 base score of 5.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.2)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Valve Software Half-life Cstrike Dedicated Server
Published: 2003-12-31
Last modified: 2026-06-16

Description

The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.1.1.0 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a certain connection string to UDP port 27015 that represents "absence of player informations," a related issue to CVE-2006-0734.

Frequently asked questions

What is CVE-2003-1325?: The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.1.1.0 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a certain connection string to UDP port 27015 that represents "absence of player informations," a related issue to CVE-2006-0734.
How severe is CVE-2003-1325?: CVE-2003-1325 has a CVSS 2.0 base score of 5.2, rated medium severity.
Is CVE-2003-1325 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1325?: CVE-2003-1325 affects Valve Software Half-life Cstrike Dedicated Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1325?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1325 published?: CVE-2003-1325 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:valve_software:half-life_cstrike_dedicated_server:*:*:*:*:*:*:*:*

More vulnerabilities in Valve Software Half-life Cstrike Dedicated Server

CVE-2006-0734 — Medium (CVSS 4.0): The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.6 and earlier allows…

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