CVE-2003-1325

Exp

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.

Published: 2003-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-1325 is rated High Exploit Risk (66/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.61%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.05% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-1325

EDB-ID Source Kind Published Link
1483 exploit_db edb 2006-02-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-1325

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.56% 2.61% +1.05%
2 2026-01-23 0.57% 1.56% +0.99%
3 2025-11-29 — 0.57% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1325

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.2 2.0 MEDIUM
AV:A/AC:M/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 4.4 6.9 [email protected]

Weakness enumeration for CVE-2003-1325

Affected software / configurations for CVE-2003-1325

Vendor Product Version Raw CPE
valve_software half-life_cstrike_dedicated_server <= 1.1.1.0 cpe:2.3:a:valve_software:half-life_cstrike_dedicated_server:*:*:*:*:*:*:*:*

References for CVE-2003-1325

cvelogic Threat Intelligence