CVE-2021-20028VulnerabilityPublished 03/28/2022Updated 10/24/2026
CVE-2021-20028: SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability
Affects SonicWall Secure Remote Access (SRA)Source CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 03/28/2022
- KEV deadline
- 04/18/2022
- Ransomware
- Used in ransomware campaigns
- EPSS
- 30.1% chance of exploitation in 30 days – higher than 98% of CVEs
What to do
CISA required action
The impacted product is end-of-life and should be disconnected if still in use.
Description
CVE-2021-20028 is a high-severity SQL injection vulnerability in SonicWall Secure Remote Access (SRA) products. It arises from improper neutralization of SQL commands, allowing attackers to inject malicious SQL code. This vulnerability has been exploited in the wild and is known to have been used in ransomware campaigns.