CVE-2009-2511

HighCVSS 7.5/10Last modified Jun 16, 2026

Description

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."

Metrics

CVSS 2.0 7.5/10AV:N/AC:L/Au:N/C:P/I:P/A:P

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 14, 2009
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2009-2511: High severity, CVSS 7.5 | Vulnix