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CVE-2011-0091

N/A

Published: February 10, 2011 at 03:00 PM UTC

Updated: June 16, 2026 at 11:26 PM UTC

2 products affected across 1 vendorWindows Server 2008Windows 7

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Severity

N/A

Exploit prediction

EPSS 5%

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 7 · Microsoft

95%

All versions

Windows Server 2008 · Microsoft

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013

References (9)

VDB Entryx_refsource_OSVDB

Source: [email protected]

http://osvdb.org/70835

Third Party Advisoryx_refsource_SECUNIA

Source: [email protected]

http://secunia.com/advisories/43257

x_refsource_CONFIRM

Source: [email protected]

http://support.avaya.com/css/P8/documents/100127250

VDB Entryx_refsource_BID

Source: [email protected]

http://www.securityfocus.com/bid/46140

VDB Entryx_refsource_SECTRACK

Source: [email protected]

http://www.securitytracker.com/id?1025048

VDB Entryx_refsource_VUPEN

Source: [email protected]

http://www.vupen.com/english/advisories/2011/0326

Vendor Advisoryx_refsource_MS

Source: [email protected]

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013

VDB Entryx_refsource_XF

Source: [email protected]

https://exchange.xforce.ibmcloud.com/vulnerabilities/64901

CVSS

6.4MEDIUM[email protected]

Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-287

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