Format string vulnerability in PunkBuster 1.180 and earlier, as used by Soldier of Fortune II and possibly other games, allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via format string specifiers in invalid cvar values, which are not properly handled when the server kicks the player and records the reason.
Conclusion & alert: CVE-2006-0771 is rated Moderate Risk (55.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.12%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 3.17% | 3.12% | -0.05% |
| 2 | 2025-03-29 | 3.12% | 3.17% | +0.05% |
| 3 | 2025-03-17 | — | 3.12% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| even_balance | punkbuster | <= 1.180 | cpe:2.3:a:even_balance:punkbuster:*:*:*:*:*:*:*:* |