# CVE-2001-1443

## Summary

- **CVE ID:** CVE-2001-1443
- **Severity:** UNKNOWN
- **CVSS Score:** 0.05
- **CWE:** N/A
- **Published:** Apr 21, 2005
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://josefsson.org/ktelnet/kerberos-telnet.html)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/10640)
- [CNA](http://www.kb.cert.org/vuls/id/390280)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.09%
- **EPSS Percentile:** 77.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._