VULNERABILITY INTELLIGENCE

CVE-2017-7562

CVSS score6.5 MEDIUM
EPSS probability3.18%
CISA KEVNot currently listed
Published2018-07-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Description

An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.

Weakness classification

  • CWE-287: Improper Authentication
  • CWE-295: Improper Certificate Validation

Primary references