Vulnerability in Kth Kerberos
CVE-2001-1444
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.013 (69.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Kth Kerberos — versions 4, 5
References
- josefsson.org/ktelnet/kerberos-telnet.html (Exploit)
- exchange.xforce.ibmcloud.com/vulnerabilities/10640 (vdb-entry)
- www.kb.cert.org/vuls/id/774587 (US Government Resource, Third Party Advisory, third-party-advisory)