CVE-2020-5921 Information

Description

in BIG-IP versions 15.1.0-15.1.0.4 15.0.0-15.0.1.3 14.1.0-14.1.2.6 13.1.0-13.1.3.4 12.1.0-12.1.5.1 and 11.6.1-11.6.5.2 Syn flood causes large number of MCPD context messages destined to secondary blades consuming memory leading to MCPD failure. This issue affects only VIPRION hosts with two or more blades installed. Single-blade VIPRION hosts are not affected.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://support.f5.com/csp/article/K00103216

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5