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CVE-2009-2509
Active Directory Federation Services (ADFS) in Microsoft Windows Server 2003 SP2 and Server 2008 Gold and SP2 does not properly validate…
High9.0EPSS 17.1%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Active Directory Federation Services (ADFS) in Microsoft Windows Server 2003 SP2 and Server 2008 Gold and SP2 does not properly validate headers in HTTP requests, which allows remote authenticated users to execute arbitrary code via a crafted request to an IIS web server, aka "Remote Code Execution in ADFS Vulnerability."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 17.1% · top 2.9% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.0.
Weakness
Affected products
n/a
- affected n/a
References (3)
- oval:org.mitre.oval:def:6441 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- TA09-342A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- MS09-070 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-2509)Record last updated .