Home/CVE/A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error mes
CVE

CVE-2026-20732

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error mes

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.

LOW · CVSS 3.1 EPSS 0.00064
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-451User Interface (UI) Misrepresentation of Critical Information
▤

Affected Products & Versions

60
f5 big-ip access policy manager>= 16.1.0 and <= 16.1.6
f5 big-ip advanced firewall manager>= 16.1.0 and <= 16.1.6
f5 big-ip advanced web application firewall>= 16.1.0 and <= 16.1.6
f5 big-ip analytics>= 16.1.0 and <= 16.1.6
f5 big-ip application acceleration manager>= 16.1.0 and <= 16.1.6
f5 big-ip application security manager>= 16.1.0 and <= 16.1.6
f5 big-ip application visibility and reporting>= 16.1.0 and <= 16.1.6
f5 big-ip automation toolchain>= 16.1.0 and <= 16.1.6
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Feb 2026 · 03:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://my.f5.com/manage/s/article/K000156644Vendor Advisory
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