Cross-site scripting (XSS) vulnerability in the mobile portal in Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, 2010 Update 1, and 2010 Update 2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "XSS Issue on UAG Mobile Portal Website in Forefront Unified Access Gateway Vulnerability."
Conclusion & alert: CVE-2010-2734 is rated Moderate Risk (46.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 47.88%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 2025-03-30 | 53.59% | 47.88% | -5.71% |
| 2 | 2025-03-29 | 47.88% | 53.59% | +5.71% |
| 3 | 2025-03-19 | — | 47.88% | — |
Full EPSS history (23 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | forefront_unified_access_gateway | 2010 | cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:*:*:*:*:*:*:* |
| microsoft | forefront_unified_access_gateway | 2010 | cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update1:*:*:*:*:*:* |
| microsoft | forefront_unified_access_gateway | 2010 | cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update2:*:*:*:*:*:* |