CVE-2016-9310

medium
Published 2017-01-13 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v2
6.4
VIR risk
6.5

Description

The control mode (mode 6) functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to set or unset traps via a crafted control mode packet.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-9310

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://support.ntp.org/bin/view/Main/NtpBug3118

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://nwtime.org/ntp428p9_release/

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201611-28

OS impact

OSVersionStatusFixed in
arch archfixed4.2.8.p9-1
debian debianbullseyefixed1:4.2.8p9+dfsg-1

Application impact

VendorProductVersionsFixed
ntpntp{"endIncluding":"4.2.8"}

References

CWEs

CWE-400

Verify integrity in audit chain (admin only). AS-IS.