CVEvulnerability

CVE-2011-0091

6.4 MEDIUM Published 2011-02-10 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-02-10
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:P/A:N
Weaknesses
CWE-287

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 configurations

• microsoft windows 7 • microsoft windows server 2008 r2

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References