CVE-2016-1567

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

Metrics

CVSS 3.0 8.1/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-254

Affected software

No affected versions have been published.

Timeline

Published: Jan 26, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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