On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, internal methods used to prevent arbitrary file overwrites in Appliance Mode were not fully effective. An authenticated attacker with a high privilege level may be able to bypass protections implemented in appliance mode to overwrite arbitrary system files.
Severity
CVSS 3.1
6.5 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
EPSS
1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)