CVE-2018-5504

HIGH

F5 BIG-IP <13.1.0.3, <12.1.3.1 - DoS/Remote Code Execution

Title source: llm
STIX 2.1

Description

In some circumstances, the Traffic Management Microkernel (TMM) does not properly handle certain malformed Websockets requests/responses, which allows remote attackers to cause a denial-of-service (DoS) or possible remote code execution on the F5 BIG-IP system running versions 13.0.0 - 13.1.0.3 or 12.1.0 - 12.1.3.1.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040558
Vendor Advisory x_refsource_confirm
https://support.f5.com/csp/article/K11718033

Scores

CVSS v3 8.1
EPSS 0.0291
EPSS Percentile 86.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (13)
f5/big-ip_access_policy_manager 12.1.0 - 12.1.3.2
f5/big-ip_advanced_firewall_manager 12.1.0 - 12.1.3.2
f5/big-ip_analytics 12.1.0 - 12.1.3.2
f5/big-ip_application_acceleration_manager 12.1.0 - 12.1.3.2
f5/big-ip_application_security_manager 12.1.0 - 12.1.3.2
f5/big-ip_domain_name_system 12.1.0 - 12.1.3.2
f5/big-ip_edge_gateway 12.1.0 - 12.1.3.2
f5/big-ip_global_traffic_manager 12.1.0 - 12.1.3.2
f5/big-ip_link_controller 12.1.0 - 12.1.3.2
f5/big-ip_local_traffic_manager 12.1.0 - 12.1.3.2
... and 3 more
Published Mar 22, 2018
Tracked Since Feb 18, 2026