Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2018-20217

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.

  • Published: Dec 26, 2018
  • Updated: Apr 13, 2023
  • CVE: CVE-2018-20217
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 3.5
  • AV:N/AC:M/Au:S/C:N/I:N/A:P

CWEs:

Software From Fixed in
mit / kerberos - 5-1.17
debian / debian_linux 8.0 8.0.x
debian / debian_linux 9.0 9.0.x