CVE-2011-0091

N/A Unknown
Published: February 10, 2011 Modified: April 29, 2026
View on NVD

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."

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://osvdb.org/70835
Source: secure@microsoft.com
http://secunia.com/advisories/43257
Source: secure@microsoft.com
http://www.securityfocus.com/bid/46140
Source: secure@microsoft.com
http://www.securitytracker.com/id?1025048
Source: secure@microsoft.com
http://osvdb.org/70835
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/43257
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.avaya.com/css/P8/documents/100127250
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/46140
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1025048
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2011/0326
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/64901
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
5.5%
92th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

microsoft