CVE-2020-27713

HIGH

F5 Big-ip Advanced Firewall Manager - Memory Leak

Title source: rule

Description

In certain configurations on version 13.1.3.4, when a BIG-IP AFM HTTP security profile is applied to a virtual server and the BIG-IP system receives a request with specific characteristics, the connection is reset and the Traffic Management Microkernel (TMM) leaks memory.

References (1)

[Vendor Advisory] https://support.f5.com/csp/article/K37960100

Scores

CVSS v3 7.5

EPSS 0.0065

EPSS Percentile 70.4%

Attack Vector NETWORK

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

Classification

CWE

CWE-401

Status published

Affected Products (1)

f5/big-ip_advanced_firewall_manager

Timeline

Published Dec 11, 2020

Tracked Since Feb 18, 2026