CVE-2009-3830 Path traversal in n/a
Remote attackers can read ASP.NET source code via path traversal in SharePoint download functionality, exposing sensitive application logic.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2009-3830?
CVE-2009-3830 is a medium-severity path traversal vulnerability in Microsoft Sharepoint Server, published on 30 Oct 2009. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2009-3830?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2009-3830?
No fix has been published for CVE-2009-3830 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2009-3830 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3830 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Sharepoint Server
- CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- CVE-2026-58644 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2026-20963 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2025-53770 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2023-29357 Microsoft SharePoint Server Privilege Escalation
Sources
Also known as GHSA-r5qq-f9fv-hh53.