CVE-2020-11868

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-11868
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-11868.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-11868
Related
Published
2020-04-17T04:15:10Z
Modified
2025-05-05T17:15:57Z
Downstream
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / ntp

Package

Name
ntp
Purl
pkg:deb/debian/ntp?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.2.8p14+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}