CVE-2005-3173 Security feature bypass in n/a

Medium 4.6 Published Updated

Users can bypass group policy restrictions by logging in with UPN credentials containing a trailing dot, requiring local or adjacent access.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2005-3173?

CVE-2005-3173 is a medium-severity vulnerability in Microsoft Windows 2000, published on 6 Oct 2005. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Which versions are affected by CVE-2005-3173?

It affects 1 product.

Products include Microsoft Windows 2000.

How do I fix CVE-2005-3173?

No fix has been published for CVE-2005-3173 yet. Limit exposure of the affected software until one is available.

Is CVE-2005-3173 being exploited?

There is no known exploitation of CVE-2005-3173 in the wild and no public exploit code.

All Microsoft Windows 2000 vulnerabilities

Sources

Also known as GHSA-6gcj-36mj-56q7.

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