cvedb.io
CVE-2018-20217
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2018-12-26T21:29:02.543 · Last modified 2026-06-17T01:52:28.013

Summary

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Affected products

mit — kerberos

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.