Vulnerability Report

CVE-2009-2511

Title: Microsoft Windows 2000 Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2009-2511

CWE Category CWE-189
Published Date Oct 14, 2009
Modified Date Jun 16, 2026
Exploit Status Available
Score 7.5 CVSS v2.0
Exploit Probability (EPSS)
12.96%

Vulnerability Summary

CVE-2009-2511: Integer overflow in 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 allows man-in-the-middle attackers to spoof arbitrary SSL servers and other entities via an X.509 certificate that has a malformed ASN.1 Object Identifier (OID) and was issued by a legitimate Certification Authority, aka "Integer Overflow in X.509 Object Identifiers Vulnerability."

Impacted Vendors

M
microsoft 6

Reference Links

http://www.us-cert.gov/cas/techalerts/TA09-286A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6186 http://www.us-cert.gov/cas/techalerts/TA09-286A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6186
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-2511 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/33264
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.