ACTIVELY EXPLOITED

CVE-2022-1388: F5 BIG-IP Missing Authentication Vulnerability

Facts
VendorF5
ProductBIG-IP
Actively exploitedYes
Added to CISA KEV10 May 2022
CISA federal deadline31 May 2022
Ransomware useKnown
Weakness (CWE)CWE-306

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

F5 BIG-IP contains a missing authentication in critical function vulnerability which can allow for remote code execution, creation or deletion of files, or disabling services.

SOURCES

Other F5 flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.