7.5high

CVE-2001-1444

The Kerberos Telnet protocol, as implemented by KTH Kerberos IV and Kerberos V (Heimdal), does not encrypt authentication and encryption op…

Published 25 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 70%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.30% probability of exploitation in the next 30 days, higher than 70% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

References

  • josefsson.org /ktelnet/kerberos-telnet.html · x_refsource_MISC, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/10640 · vdb-entry, x_refsource_XF, x_transferred
  • kb.cert.org /vuls/id/774587 · third-party-advisory, x_refsource_CERT-VN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.