CVE-2016-4956 - CVE House
Back to Database
Status published Medium CVE-2016-4956

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to...

Vulnerability Description

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2016-4956

Credits & Attribution

No credits recorded in the NVD database.

References

Affected Vendor

Affected Software

ntp, solaris, manager proxy, openstack cloud, suse manager, leap, opensuse, linux enterprise desktop, linux enterprise server, simatic net cp 443-1 opc ua firmware
Vulnerable Versions:
4.2.0, 4.3.0, 4.2.8, 10, 11.3, 2.1, 5, 42.1, 13.2, 12, 11

Timeline

Official Publish: July 5th, 2016
Last Modified: August 6th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.