CVE-2019-11331

—

CVSS 3.0

8.1 high

EPSS

3%p85

Published

Apr 18, 2019 (Apr 18, 2019)

Modified

Jun 17, 2026

Description

Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks.

Vendors: ntp
Products: ntp
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.6%)

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