CVE-2018-16860

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 31, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-16860: High severity, CVSS 7.5 | Vulnix