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CVE-2000-0389

10.0 · HIGH

Buffer overflow in krb_rd_req function in Kerberos 4 and 5 allows remote attackers to gain root privileges.

Published May 16, 2000cygnusEPSS 16.50%

Overview

CVE-2000-0389 is a high-severity vulnerability affecting cygnus cygnus_network_security. It was published on May 16, 2000 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Buffer overflow in krb_rd_req function in Kerberos 4 and 5 allows remote attackers to gain root privileges.

Remediation

Check the references section for vendor advisories and patches from cygnus. Update cygnus_network_security 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

Frequently asked questions

What is CVE-2000-0389?

CVE-2000-0389 is a high-severity vulnerability affecting cygnus cygnus_network_security. It was published on May 16, 2000 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2000-0389?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2000-0389?

Check the references section for vendor advisories and patches from cygnus. Update cygnus_network_security 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-2000-0389?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2000-0389 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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