CVE-2020-5135

Vulnerability details

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall.

Added to CISA KEV: 2022-03-15

Ransomware campaign use: Known

CISA due date: 2022-04-05

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.