CVEvulnerability
CVE-2001-1444
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2001-08-27
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Description
The Kerberos Telnet protocol, as implemented by KTH Kerberos IV and Kerberos V (Heimdal), does not encrypt authentication and encryption options sent from the server, which allows remote attackers to downgrade authentication and encryption mechanisms via a man-in-the-middle attack.
Affected configurations
• kth kth kerberos 4
• kth kth kerberos 5
Related
Referenced by CWE · observed example (1)
- CWE-757 Selection of Less-Secure Algorithm During Negotiation weakness
References
- http://josefsson.org/ktelnet/kerberos-telnet.html Exploit
- http://www.kb.cert.org/vuls/id/774587 Third Party Advisory, US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/10640 exchange.xforce.ibmcloud.com
- http://josefsson.org/ktelnet/kerberos-telnet.html Exploit
- http://www.kb.cert.org/vuls/id/774587 Third Party Advisory, US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/10640 exchange.xforce.ibmcloud.com