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.
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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 1483 | exploit_db | edb | 2006-02-11 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| 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:*:*:*:*:*:*:*:* |