CVE-2020-5923

MEDIUM

BIG-IP <15.2 - Port-Lockdown Bypass

Title source: llm
STIX 2.1

Description

In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1 and BIG-IQ versions 5.4.0-7.0.0, Self-IP port-lockdown bypass via IPv6 link-local addresses.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K05975972

Scores

CVSS v3 5.4
EPSS 0.0007
EPSS Percentile 21.9%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Details

Status published
Products (14)
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 11.6.1 - 11.6.5.2
... and 4 more
Published Aug 26, 2020
Tracked Since Feb 18, 2026