Format string vulnerability in the Epic Games Unreal engine client, as used in multiple games, allows remote servers to execute arbitrary code via (1) the CLASS parameter in a DLMGR command, (2) a malformed package (PKG), and possibly (3) the LEVEL parameter in a WELCOME command.
Conclusion & alert: CVE-2008-6441 is rated High Exploit Risk (82.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.36%). Core evidence: 3 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 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2025-03-30 | 1.60% | 2.36% | +0.76% |
| 2 | 2025-03-29 | 2.36% | 1.60% | -0.76% |
| 3 | 2025-03-17 | — | 2.36% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| epicgames | unreal_engine | 2 | cpe:2.3:a:epicgames:unreal_engine:2:*:*:*:*:*:*:* |
| epicgames | unreal_engine | 2.5 | cpe:2.3:a:epicgames:unreal_engine:2.5:*:*:*:*:*:*:* |
| epicgames | unreal_engine | 3 | cpe:2.3:a:epicgames:unreal_engine:3:*:*:*:*:*:*:* |