Unrated severityNVD Advisory· Published Oct 14, 2009· Updated Jun 16, 2026
CVE-2009-2510
CVE-2009-2510
Description
The CryptoAPI component in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, as used by Internet Explorer and other applications, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, aka "Null Truncation in X.509 Common Name Vulnerability," a related issue to CVE-2009-2408.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21- cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*+ 7 more
- cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x86:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*
- (no CPE)range: 2000 SP4, XP SP2/SP3, Server 2003 SP2, Vista Gold/SP1/SP2, Server 2008 Gold/SP2/R2, Windows 7
cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
7- www.us-cert.gov/cas/techalerts/TA09-286A.htmlnvdUS Government Resource
- www.networkworld.com/news/2009/073009-more-holes-found-in-webs.htmlnvd
- www.networkworld.com/news/2009/091709-microsoft-ie-security-hole.htmlnvd
- www.securityfocus.com/bid/36475nvd
- www.wired.com/threatlevel/2009/07/kaminsky/nvd
- docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5842nvd
News mentions
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