VULNERABILITY INTELLIGENCE
CVE-2016-1549
CVSS score6.5 MEDIUM
EPSS probability3.12%
CISA KEVNot currently listed
Published2017-01-06
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Description
A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock.
Primary references
- cret@cert.org
- cret@cert.org
- cret@cert.org
- cret@cert.org — Mitigation, Technical Description, Third Party Advisory
- cret@cert.org
- cret@cert.org
- cret@cert.org
- cret@cert.org
- cret@cert.org
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108