Heap-based buffer overflow in the SendLogAction method in the UUPlayer ActiveX control 6.0.0.1 in UUSee 2010 6.11.0609.2 might allow remote attackers to execute arbitrary code via a long argument.
Conclusion & alert: CVE-2011-2589 is rated High Risk (67/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.95%). Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2025-09-13 | 6.35% | 4.95% | -1.40% |
| 2 | 2025-06-30 | 8.18% | 6.35% | -1.84% |
| 3 | 2025-04-09 | — | 8.18% | — |
Full EPSS history (12 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 |
|---|---|---|---|
| uusee | uuplayer_activex_control | 6.0.0.1 | cpe:2.3:a:uusee:uuplayer_activex_control:6.0.0.1:*:*:*:*:*:*:* |
| uusee | uusee | 2010_6.11.0609.2 | cpe:2.3:a:uusee:uusee:2010_6.11.0609.2:*:*:*:*:*:*:* |