CVE-2020-5933

HIGH

F5 BIG-IP 11.6.1-15.1.0.5 DoS via HTTP Compression Profile

Title source: llm
STIX 2.1

Description

On versions 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, when a BIG-IP system that has a virtual server configured with an HTTP compression profile processes compressed HTTP message payloads that require deflation, a Slowloris-style attack can trigger an out-of-memory condition on the BIG-IP system.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K26244025

Scores

CVSS v3 7.5
EPSS 0.0061
EPSS Percentile 70.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (11)
f5/big-ip_access_policy_manager 11.6.1 - 11.6.5.2
f5/big-ip_advanced_firewall_manager 11.6.1 - 11.6.5.2
f5/big-ip_analytics 11.6.1 - 11.6.5.2
f5/big-ip_application_acceleration_manager 11.6.1 - 11.6.5.2
f5/big-ip_application_security_manager 11.6.1 - 11.6.5.2
f5/big-ip_domain_name_system 11.6.1 - 11.6.5.2
f5/big-ip_fraud_protection_service 11.6.1 - 11.6.5.2
f5/big-ip_global_traffic_manager 11.6.1 - 11.6.5.2
f5/big-ip_link_controller 11.6.1 - 11.6.5.2
f5/big-ip_local_traffic_manager 11.5.2 - 11.6.5.2
... and 1 more
Published Oct 29, 2020
Tracked Since Feb 18, 2026