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.
History

Thu, 03 Sep 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared F5
F5 big-ip
Vendors & Products F5
F5 big-ip

Wed, 02 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
Description 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.
Title BIG-IP Configuration utility vulnerability
Weaknesses CWE-451
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 2.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: f5

Published: 2026-09-02T15:40:53.437Z

Updated: 2026-09-02T17:55:45.119Z

Reserved: 2026-07-24T22:40:21.245Z

Link: CVE-2026-63020

cve-icon Vulnrichment

Updated: 2026-09-02T17:55:40.635Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-02T16:17:18.400

Modified: 2026-09-02T19:23:13.660

Link: CVE-2026-63020

cve-icon Redhat

No data.