CVE-2005-3173

Name: CVE-2005-3173
Creator: NVD / NIST
Published: 2005-10-06T10:02:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.30%

Last modified Jun 16, 2026

CVE-2005-3173 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.30%

66.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 2000	All versions	Sp4

References

http://support.microsoft.com/kb/821102Patch, Vendor Advisory
http://support.microsoft.com/kb/900345Patch, Vendor Advisory
http://support.microsoft.com/kb/821102Patch, Vendor Advisory
http://support.microsoft.com/kb/900345Patch, Vendor Advisory

Timeline

Published: Oct 6, 2005
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2005-3173?

How severe is CVE-2005-3173?

Severity scoring for CVE-2005-3173 is pending analysis. The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2005-3173?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-3173?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST