CVE-2026-63020EPSS p12.6%
CVE-2026-63020CVE-2026-63020
f5 / big-ip_access_policy_manager
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.
Scoring
| CVSS | 3.1 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N |
| EPSS | 0.23% probability of exploitation · percentile 12.6% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-15 |