CVE-2009-3830

Sharepoint Server vulnerability

CVSS

5.0

EPSS

31.2%

EPSS pct

98th

Exploited

No known

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.

Affected vendor

Microsoft

Affected product

Sharepoint Server

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2009-10-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 31.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2009-3830

Confirm whether Microsoft Sharepoint Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-3830.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3830

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-3830 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2009-3830?

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