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 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.
Scoring
- Severity
- LOW
- CVSS base score
- 3.1
- CVSS 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
- EPSS probability
- 0.19%
- CWE
- CWE-451
- Published
- 2026-09-02
- Last modified
- 2026-09-02
Affected products
- F5 BIG-IP
- F5 BIG-IP
- F5 BIG-IP
- F5 BIG-IP
Weakness type
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