Medium (6.5) in f5. EPSS 2.0% chance of exploitation in the next 30 days.
On BIG-IP 12.1.0-12.1.4.1, undisclosed requests can cause iControl REST processes to crash. The attack can only come from an authenticated user; all roles are capable of performing the attack. Unauthenticated users cannot perform this attack.
Severity
CVSS 3.1
6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)