CVE-2020-11868 MEDIUM

CVE-2020-11868

Vendor N/A
Product n/a
Published April 17, 2020
Last update May 5, 2025
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 17, 2020 CVE published
May 5, 2025 Record updated