CVE-2021-20028
SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.
Browse: All 2021 CVEs · All vendors
- CISA KEV
- Yes — actively exploited (added 2022-03-28, remediation due 2022-04-18)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-89
Description
SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.
Affected products
- SonicWall Secure Remote Access (SRA)
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
The impacted product is end-of-life and should be disconnected if still in use. Federal remediation deadline: 2022-04-18.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
FAQ
Is CVE-2021-20028 actively exploited?
Yes. CISA added CVE-2021-20028 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-03-28, with a federal remediation deadline of 2022-04-18. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2021-20028?
CVE-2021-20028 has no published CVSS base score yet — NVD analysis can lag disclosure. Check the vendor references for an interim severity.
Related vulnerabilities
- CVE-2026-15409 — SonicWall SMA1000 Appliances
- CVE-2026-15410 — SonicWall SMA1000 Appliances
- CVE-2025-40602 — SonicWall SMA1000 appliance
- CVE-2023-44221 — SonicWall SMA100 Appliances
- CVE-2021-20035 — SonicWall SMA100 Appliances
- CVE-2024-53704 — SonicWall SonicOS
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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