CVE-2026-20732 (GCVE-0-2026-20732)

Vulnerability from cvelistv5 – Published: 2026-02-04 15:02 – Updated: 2026-02-04 16:08
VLAI
Title
BIG-IP Configuration utility vulnerability
Summary
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.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
2.3 (Low)
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
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-04 16:07 UTC
CWE
  • CWE-451 - User Interface (UI) Misrepresentation of Critical Information
Assigner
f5 CNA under the mitre root
CNA scorecard B 83/100 over 76 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
F5 BIG-IP Unaffected: 21.0.0 , < * (custom)
Affected: 17.5.0 , < 17.5.1.4 (custom)
Affected: 17.1.0 , < 17.1.3.1 (custom)
Affected: 16.1.0 , < * (custom)
guessed Create a notification for this product.
Date Public
2026-02-04 15:00
Credits
F5 acknowledges Michał Majchrowicz, Marcin Wyczechowski, and Zbigniew Piotrak (members of the AFINE Team) for bringing this issue to our attention and following the highest standards of coordinated disclosure.
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