CVE-2019-11331 Information

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.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/108010 https://support.f5.com/csp/article/K09940637 https://support.f5.com/csp/article/K09940637?utm_source=f5support&utm_medium=RSS https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1