CVE-2007-2221

Microsoft Windows Media Server - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-2221. PoCs published by Andres Tarasco.

AI-analyzed exploit summary This exploit leverages a vulnerability in mdsauth.dll (CVE-2007-2221) to arbitrarily modify files via the NMSA Session Description Object's SaveAs method. It demonstrates file overwrite by saving session data to c:\boot.ini.

Description

Unspecified vulnerability in the mdsauth.dll COM object in Microsoft Windows Media Server in the Microsoft Internet Explorer 5.01 SP4 on Windows 2000 SP4; 6 SP1 on Windows 2000 SP4; 6 and 7 on Windows XP SP2, or Windows Server 2003 SP1 or SP2; or 7 on Windows Vista allows remote attackers to overwrite arbitrary files via unspecified vectors, aka the "Arbitrary File Rewrite Vulnerability."

Exploits (1)

exploitdb WORKING POC VERIFIED
by Andres Tarasco · htmlremotewindows
https://www.exploit-db.com/exploits/3892

This exploit leverages a vulnerability in mdsauth.dll (CVE-2007-2221) to arbitrarily modify files via the NMSA Session Description Object's SaveAs method. It demonstrates file overwrite by saving session data to c:\boot.ini.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Windows with mdsauth.dll (pre-MS07-027 patch)
No auth needed
Prerequisites: Vulnerable version of mdsauth.dll · User interaction to open the HTML file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (12)

Core 12
Core References
Third Party Advisory, VDB Entry vendor-advisory x_refsource_hp
http://www.securityfocus.com/archive/1/468871/100/200/threaded
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/1712
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1885
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/34404
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1018019
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/500753
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/23769
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/33355
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA07-128A.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/23827

Scores

EPSS 0.3487
EPSS Percentile 98.2%

Details

Status published
Products (4)
microsoft/internet_explorer 5.01 sp4
microsoft/internet_explorer 6 sp1
microsoft/internet_explorer 6.0
microsoft/internet_explorer 7.0
Published May 08, 2007
Tracked Since Feb 18, 2026