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Vulnerability record · CVE-2009-3830 · published 30 October 2009

CVE-2009-3830: Microsoft sharepoint server improper input validation vulnerability

Microsoft · Sharepoint Server

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.

5.0 CVSS 2.0 Medium EPSS 33% · top 1.7% CWE-20 · Improper input validation
5.0CVSS 2.0 base score
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://support.microsoft.com/kb/976829 Vendor Advisory
http://www.securityfocus.com/archive/1/507419/100/0/threaded
http://www.securityfocus.com/bid/36817 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/53955
http://support.microsoft.com/kb/976829 Vendor Advisory
http://www.securityfocus.com/archive/1/507419/100/0/threaded
http://www.securityfocus.com/bid/36817 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/53955

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-3830), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.