CVE-2026-20732

published 2026-02-04

CVE-2026-20732: A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages. Note: Software versions which…

low 2.3 CVSS 4.0

AV N AC H AT N PR N UI P VC N VI L VA N SC N SI N SA N E X CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

87 ranges · showing 25

Vendor	Product	Version range	Fixed in
f5	big-ip	>= 16.1.0 < *	*
f5	big-ip	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip	>= 17.5.0 < 17.5.1.4	17.5.1.4
f5	big-ip_aam	—	—
f5	big-ip_access_policy_manager	16.1.0 – 16.1.6	—
f5	big-ip_access_policy_manager	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip_access_policy_manager	>= 17.5.0 < 17.5.1.4	17.5.1.4
f5	big-ip_advanced_firewall_manager	16.1.0 – 16.1.6	—
f5	big-ip_advanced_firewall_manager	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip_advanced_firewall_manager	>= 17.5.0 < 17.5.1.4	17.5.1.4
f5	big-ip_advanced_waf	—	—
f5	big-ip_advanced_web_application_firewall	16.1.0 – 16.1.6	—
f5	big-ip_advanced_web_application_firewall	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip_advanced_web_application_firewall	>= 17.5.0 < 17.5.1.4	17.5.1.4
f5	big-ip_afm	—	—
f5	big-ip_analytics	—	—
f5	big-ip_analytics	16.1.0 – 16.1.6	—
f5	big-ip_analytics	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip_analytics	>= 17.5.0 < 17.5.1.4	17.5.1.4
f5	big-ip_apm	—	—
f5	big-ip_application_acceleration_manager	16.1.0 – 16.1.6	—
f5	big-ip_application_acceleration_manager	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip_application_acceleration_manager	>= 17.5.0 < 17.5.1.4	17.5.1.4
f5	big-ip_application_security_manager	16.1.0 – 16.1.6	—
f5	big-ip_application_security_manager	>= 17.1.0 < 17.1.3.1	17.1.3.1

CWE-451