The download functionality in Team Services in Microsoft Office SharePoint Server 2007 12.0.0.4518 and 12.0.0.6219 allows remote attackers to read ASP.NET source code via pathnames in the SourceUrl and Source parameters to _layouts/download.aspx.
Conclusion & alert: CVE-2009-3830 is rated High Exploit Risk (64.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 64.18%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 9967 | exploit_db | edb | 2009-10-26 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-12-28 | 69.96% | 64.18% | -5.78% |
| 2 | 2025-12-27 | 64.18% | 69.96% | +5.78% |
| 3 | 2025-12-23 | — | 64.18% | — |
Full EPSS history (26 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 |
|---|---|---|---|
| microsoft | sharepoint_server | 2007 | cpe:2.3:a:microsoft:sharepoint_server:2007:*:*:*:*:*:*:* |