CVE-2020-11868

Updated: 2024-11-24 05:38:06.886126

Description:

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x MEDIUM 5
CVSS Version 3.x HIGH 7.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

CentOS 6 ELS ntp 4.2.6 7.5 HIGH Released CLSA-2021:1633442934 2022-05-05 12:02:02
CloudLinux 6 ELS ntp 4.2.6 7.5 HIGH Released 2022-04-26 15:46:48
Oracle Linux 6 ELS ntp 4.2.6 7.5 HIGH Released CLSA-2021:1634922835 2022-04-26 15:46:48
Ubuntu 16.04 ELS ntp 4.2.8 7.5 HIGH Not Vulnerable 2022-04-26 15:46:48