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CVE-2011-0091
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
Description
Kerberos in Microsoft Windows Server 2008 R2 and Windows 7 does not prevent a session from changing from strong encryption to DES encryption, which allows man-in-the-middle attackers to spoof network traffic and obtain sensitive information via a DES downgrade, aka "Kerberos Spoofing Vulnerability.".
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 6.4/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 4.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- Partial
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://osvdb.org/70835
- http://www.securityfocus.com/bid/46140
- http://www.vupen.com/english/advisories/2011/0326
- http://support.avaya.com/css/P8/documents/100127250
- http://www.securitytracker.com/id?1025048
- http://secunia.com/advisories/43257
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64901
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013