CVE-2005-3173

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-10-06 · updated 2026-06-16

Description

Microsoft Windows 2000 before Update Rollup 1 for SP4 does not apply group policies if the user logs on using UPN credentials with a trailing dot, which prevents Windows 2000 from finding the correct domain controller and could allow the user to bypass intended restrictions.

Affected products

Microsoft Windows 2000: all versions

References

http://support.microsoft.com/kb/821102
http://support.microsoft.com/kb/900345
http://support.microsoft.com/kb/821102
http://support.microsoft.com/kb/900345

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