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CVE-2009-3677

high · 10

The Internet Authentication Service (IAS) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly verify the credentials in an MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication request, which allows remote attackers to access network resources via a malformed request, aka "MS-CHAP Authentication Bypass Vulnerability."

10
CVSS
21.8%
EPSS (exploit prob.)
98th
EPSS percentile
2009-12-09
Published

AV:N/AC:L/Au:N/C:C/I:C/A:C

Weaknesses

CWE-94CWE-255

Affected products

VendorProductAffected versions
microsoftwindows_2000all versions
microsoftwindows_server_2003all versions
microsoftwindows_server_2008all versions
microsoftwindows_server_2008all versions
microsoftwindows_server_2008all versions
microsoftwindows_vistaall versions
microsoftwindows_vistaall versions
microsoftwindows_vistaall versions
microsoftwindows_xpall versions
microsoftwindows_xpall versions
microsoftwindows_xpall versions

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2009-3677