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CVE-2011-0040

CVE information

Published

11 years ago

Last Modified

4 years ago

CVSSv2.0 Severity

Medium

Impact Analysis

Description

The server in Microsoft Active Directory on Windows Server 2003 SP2 does not properly handle an update request for a service principal name (SPN), which allows remote attackers to cause a denial of service (authentication downgrade or outage) via a crafted request that triggers name collisions, aka "Active Directory SPN Validation Vulnerability.".

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:x64:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:
  Yes
- -