Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2020-11868 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html CVEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html CVEMailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1716665 CVEIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html CVEMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202007-12 CVEThird Party Advisory

see all 16 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-346Origin Validation Error[email protected]
CWE-346Origin Validation ErrorCISA-ADP

Affected Products

ProductVersions

Change History

28 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-11868
NVD Published Date:
Apr 17, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]