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

> CVE-2021-20028: SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2021-20028
Last updated: 2025-10-21T23:25:38Z

- Published: 2021-08-04 19:10 UTC · Updated: 2025-10-21 23:25 UTC · Assigner: sonicwall
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 30.1%, 98th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-28, federal due date 2022-04-18, ransomware use: Known
- CWE: CWE-89

## Description

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

## CISA required action

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

## Affected vendors and products

- SonicWall: SonicWall SRA/SMA100

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-20028)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2021-20028)
- [https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2021-20028 · Markdown: https://rewindex.com/cve/CVE-2021-20028.md · JSON: https://rewindex.com/api/v1/cves/CVE-2021-20028 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:14.489Z