CVE-1999-0721 Denial of service in n/a

High 7.8 Published Updated

An attacker can cause a denial of service in Windows NT by sending a malformed Local Security Authority request.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-1999-0721?

CVE-1999-0721 is a high-severity denial of service vulnerability in Microsoft Windows 2000, published on 4 Jan 2000. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.

Weakness: CWE-20

Which versions are affected by CVE-1999-0721?

It affects 2 products.

Products include Microsoft Windows 2000, Microsoft Windows Nt.

How do I fix CVE-1999-0721?

No fix has been published for CVE-1999-0721 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-1999-0721 being exploited?

There is no known exploitation of CVE-1999-0721 in the wild and no public exploit code.

All Microsoft Windows 2000 vulnerabilities

Sources

Also known as GHSA-hr94-mwmh-6848.

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