Vulnerability Details : CVE-2009-2505
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."
Vulnerability category: Memory CorruptionExecute codeBypassGain privilege
Exploit prediction scoring system (EPSS) score for CVE-2009-2505
Probability of exploitation activity in the next 30 days: 54.54%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 97 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2009-2505
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
nvd@nist.gov |
CWE ids for CVE-2009-2505
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-2505
Products affected by CVE-2009-2505
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp2: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:x32:*:*:*:*:*:*