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CVE-2001-1443

5.0 · MEDIUM

KTH Kerberos IV and Kerberos V (Heimdal) for Telnet clients do not encrypt connections if the server does not support the requested encryption, which allows remote attackers to read communications…

Published Aug 27, 2001kthEPSS 1.10%

Overview

CVE-2001-1443 is a medium-severity vulnerability affecting kth kth_kerberos. It was published on August 27, 2001 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

KTH Kerberos IV and Kerberos V (Heimdal) for Telnet clients do not encrypt connections if the server does not support the requested encryption, which allows remote attackers to read communications via a man-in-the-middle attack.

Remediation

Check the references section for vendor advisories and patches from kth. Update kth_kerberos 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

Refjosefsson.org/ktelnet/kerberos-telnet.htmlRefwww.kb.cert.org/vuls/id/390280Refexchange.xforce.ibmcloud.com/vulnerabilities/10640Refjosefsson.org/ktelnet/kerberos-telnet.htmlRefwww.kb.cert.org/vuls/id/390280Refexchange.xforce.ibmcloud.com/vulnerabilities/10640

How CyberStrike helps

Frequently asked questions

What is CVE-2001-1443?

CVE-2001-1443 is a medium-severity vulnerability affecting kth kth_kerberos. It was published on August 27, 2001 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2001-1443?

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-2001-1443?

Check the references section for vendor advisories and patches from kth. Update kth_kerberos 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-2001-1443?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-1443 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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