Known exploited vulnerability · SonicWall

CVE-2021-20028: SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability

criticalCVSS 3.1 9.8Exploited

Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or earlier

Published Aug 4, 2021 · Updated Jun 17, 2026

Required action

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

Advisory details

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

More SonicWall vulnerabilities

All SonicWall entries