CVE-2006-0734

Exp

The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.6 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a backslash character at the end of a connection string to UDP port 27015.

Published: 2006-02-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-0734 is rated Exploit Available (57/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.51%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2006-0734

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-2006-0734

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 5.41% 2.51% -2.90%
2 2026-01-23 3.29% 5.41% +2.12%
3 2025-03-17 3.29%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-0734

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
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:P)
Partial availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2006-0734

Affected software / configurations for CVE-2006-0734

Vendor Product Version Raw CPE
valve_software half-life_cstrike_dedicated_server <= 1.6_linux cpe:2.3:a:valve_software:half-life_cstrike_dedicated_server:*:*:*:*:*:*:*:*
valve_software half-life_cstrike_dedicated_server <= 1.6_windows cpe:2.3:a:valve_software:half-life_cstrike_dedicated_server:*:*:*:*:*:*:*:*

References for CVE-2006-0734

cvelogic Threat Intelligence