NetSight
low3.1

CVE-2026-63020

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages Impact: An attacker may trick aut…

Impact

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages  Impact: An attacker may trick authenticated BIG-IP users into accessing malicious links and reflect a spoofed error message in the victim's BIG-IP Configuration utility web browser session. This is a control plane issue; there is no data plane exposure. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffected versions
F5Big-Ip Access Policy Manager
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Advanced Firewall Manager
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Advanced Web Application Firewall
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Analytics
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Application Acceleration Manager
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Application Security Manager
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Application Visibility And Reporting
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Automation Toolchain
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Carrier-Grade Nat
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Container Ingress Services
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Ddos Hybrid Defender
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0
F5Big-Ip Domain Name System
from 17.1.0 through 17.1.3
from 17.5.0 through 17.5.1
from 21.0.0 through 21.1.0

Weakness classification

References