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CVE-2000-0403

5.0 · MEDIUM

The CIFS Computer Browser service on Windows NT 4.0 allows a remote attacker to cause a denial of service by sending a large number of host announcement requests to the master browse tables, aka th…

Published May 25, 2000microsoftEPSS 17.93%

Overview

CVE-2000-0403 is a medium-severity vulnerability affecting microsoft windows_nt. It was published on May 25, 2000 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The CIFS Computer Browser service on Windows NT 4.0 allows a remote attacker to cause a denial of service by sending a large number of host announcement requests to the master browse tables, aka the "HostAnnouncement Flooding" or "HostAnnouncement Frame" vulnerability.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_nt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.microsoft.com/technet/support/kb.asp?ID=263307Refwww.securityfocus.com/bid/1261Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-036Refwww.microsoft.com/technet/support/kb.asp?ID=263307Refwww.securityfocus.com/bid/1261Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-036

How CyberStrike helps

Frequently asked questions

What is CVE-2000-0403?

CVE-2000-0403 is a medium-severity vulnerability affecting microsoft windows_nt. It was published on May 25, 2000 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2000-0403?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2000-0403?

Check the references section for vendor advisories and patches from microsoft. Update windows_nt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2000-0403?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2000-0403 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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