SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability
SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.
- Vendor
- SonicWall
- Product
- Secure Remote Access (SRA)
- CVSS
- 9.8
- EPSS (exploit probability)
- 30.1%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2021-20028 being exploited?
Yes. CISA added CVE-2021-20028 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild. CISA marks it as known to be used in ransomware campaigns.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 30.1% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionThe impacted product is end-of-life and should be disconnected if still in use.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other SonicWall CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-102255 Critical remote vulnerability in SonicWall SMA1000write-up | [ CRITICAL ] | 10.0 | 0.5% | — |
| CVE-2026-83549 OS Command Injection in SonicWall SMA1000 AMCwrite-up | [ HIGH ] | 7.8 | 9.9% | |
| CVE-2026-83548 Pre-auth SSRF in SonicWall SMA1000 Workplace Interfacewrite-up | [ HIGH ] | — | 8.0% | |
| CVE-2026-15410 SonicWall SMA1000 post-authentication OS command injectionransomware usewrite-up | [ HIGH ] | 7.2 | 11.8% | |
| CVE-2026-15409 SonicWall SMA1000 unauthenticated SSRF in Work Place portalransomware usewrite-up | [ CRITICAL ] | 10.0 | 6.8% | |
| CVE-2025-40602 SonicWall SMA1000 Missing Authorization Vulnerability | [ MEDIUM ] | 6.6 | 2.8% | |
| CVE-2023-44221 SonicWall SMA100 Appliances OS Command Injection Vulnerability | [ HIGH ] | 7.2 | 76.3% | |
| CVE-2021-20035 SonicWall SMA100 Appliances OS Command Injection Vulnerability | [ MEDIUM ] | 6.5 | 4.2% |