Detections
Analytics

CVE-2019-11331

high

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.

References

https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00

http://www.securityfocus.com/bid/108010

https://support.f5.com/csp/article/K09940637?utm_source=f5support&amp%3Butm_medium=RSS

https://support.f5.com/csp/article/K09940637

Details

Source: Mitre, NVD

Published: 2019-04-18

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.1

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

Severity: High

EPSS

EPSS: 0.02898