CVE-2020-27718 Information

Description

When a BIG-IP ASM or Advanced WAF system running version 16.0.0-16.0.0.1 15.1.0-15.1.0.5 14.1.0-14.1.3 13.1.0-13.1.3.4 12.1.0-12.1.5.2 or 11.6.1-11.6.5.2 processes requests with JSON payload an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.

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/K58102101

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