CISA-confirmed known exploited vulnerability

CVE-2021-22986

F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability

F5 · BIG-IP and BIG-IQ Centralized Management

Vulnerability details

F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disable services.

Added to CISA KEV: 2021-11-03

Ransomware campaign use: Known

CISA due date: 2021-11-17

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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