CVE-2021-40870

Vulnerability details

Unrestricted upload of a file with a dangerous type is possible, which allows an unauthenticated user to execute arbitrary code via directory traversal.

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.