CVE-2009-2505 — Improper Authentication in Microsoft Windows Server 2008
Severity
10.0CRITICALNVD
EPSS
47.9%
top 2.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 9
Latest updateMay 2
Description
The Internet Authentication Service (IAS) in Microsoft Windows Vista SP2 and Server 2008 SP2 does not properly validate MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication requests, which allows remote attackers to execute arbitrary code via crafted structures in a malformed request, aka "Internet Authentication Service Memory Corruption Vulnerability."
CVSS vector
AV:N/AC:L/C:C/I:C/A:CExploitability: 10.0 | Impact: 10.0
Affected Packages1 packages
🔴Vulnerability Details
1GHSA▶
GHSA-3vqg-cv53-whw6: The Internet Authentication Service (IAS) in Microsoft Windows Vista SP2 and Server 2008 SP2 does not properly validate MS-CHAP v2 Protected Extensibl↗2022-05-02