CVE-2021-22991

Vulnerability details

The Traffic Management Microkernel of BIG-IP ASM Risk Engine has a buffer overflow vulnerability, leading to a bypassing of URL-based access controls.

Added to CISA KEV: 2022-01-18

Ransomware campaign use: Unknown

CISA due date: 2022-02-01

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.