Unspecified vulnerability in the management console in the S2 Security Linear eMerge Access Control System 2.5.x allows remote attackers to cause a denial of service (configuration reset) via a request to a crafted URI.
Conclusion & alert: CVE-2009-3734 is rated Moderate Risk (50.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.27%). Core evidence: EPSS rose +1.32% over the last day, indicating growing attacker interest. 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 | 2025-09-05 | 0.95% | 2.27% | +1.32% |
| 2 | 2025-03-30 | 1.12% | 0.95% | -0.17% |
| 3 | 2025-03-29 | — | 1.12% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| s2sys | linear_emerge_access_control_system | 2.5 | cpe:2.3:a:s2sys:linear_emerge_access_control_system:2.5:*:*:*:*:*:*:* |