CVE-2021-20038

Vulnerability details

SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution.

Added to CISA KEV: 2022-01-28

Ransomware campaign use: Known

CISA due date: 2022-02-11

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.