CVE-2021-20028

What is affected

Vendor	SonicWall
Product	Secure Remote Access (SRA)
Weakness	CWE-89

The vulnerability

SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.

Required action

The impacted product is end-of-life and should be disconnected if still in use.

US federal civilian agencies were required to act by 18 April 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Ransomware

CISA records this vulnerability as having been used in ransomware campaigns. That is a confirmed observation, not an assessment of likelihood.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 12 Nov 2026, 00:29. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗