The MobileUI (aka RT-Extension-MobileUI) extension before 1.04 in Request Tracker (RT) 4.0.0 before 4.0.13, when using the file-based session store (Apache::Session::File) and certain authentication extensions, allows remote attackers to reuse unauthorized sessions and obtain user preferences and caches via unspecified vectors.
Conclusion & alert: CVE-2013-3737 is rated Moderate Risk (45.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.44%). Core evidence: EPSS rose +1.10% 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 | 2026-06-15 | 0.35% | 1.44% | +1.10% |
| 2 | 2025-03-30 | 0.41% | 0.35% | -0.07% |
| 3 | 2025-03-29 | — | 0.41% | — |
Full EPSS history (5 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 |
|---|---|---|---|
| bestpractical | request_tracker | 4.0.0 | cpe:2.3:a:bestpractical:request_tracker:4.0.0:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.1 | cpe:2.3:a:bestpractical:request_tracker:4.0.1:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.2 | cpe:2.3:a:bestpractical:request_tracker:4.0.2:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.3 | cpe:2.3:a:bestpractical:request_tracker:4.0.3:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.4 | cpe:2.3:a:bestpractical:request_tracker:4.0.4:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.5 | cpe:2.3:a:bestpractical:request_tracker:4.0.5:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.6 | cpe:2.3:a:bestpractical:request_tracker:4.0.6:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.7 | cpe:2.3:a:bestpractical:request_tracker:4.0.7:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.8 | cpe:2.3:a:bestpractical:request_tracker:4.0.8:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.9 | cpe:2.3:a:bestpractical:request_tracker:4.0.9:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.10 | cpe:2.3:a:bestpractical:request_tracker:4.0.10:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.11 | cpe:2.3:a:bestpractical:request_tracker:4.0.11:*:*:*:*:*:*:* |
| bestpractical | request_tracker | 4.0.12 | cpe:2.3:a:bestpractical:request_tracker:4.0.12:*:*:*:*:*:*:* |