Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.
CVE-2021-20016
SonicWall SSLVPN SMA100 SQL Injection Vulnerability
Added to KEV November 3, 2021
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2021-20016
- CWE
- CWE-89
- Affected products
- SSLVPN SMA100 · SonicWall SSLVPN SMA100 · SonicWall
What happened
SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker.
What it means for your business
SonicWall SSLVPN SMA100 is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-20016). SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.
Required action
Apply updates per vendor instructions.
CISA due date: November 17, 2021
Sources
Related briefs
Microsoft PowerShell Security Feature Bypass vulnerability
Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
Microsoft PowerBI Report Server Spoofing vulnerability
Microsoft PowerBI Report Server Spoofing vulnerability (CVE-2026-58647) was added to Microsoft’s security update guidance. Corrected the Power BI Report Server version in the Security Updates table to use the public release version instead of the internal build number. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Windows Print Spooler Information Disclosure vulnerability
Windows Print Spooler Information Disclosure vulnerability (CVE-2026-50383) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
Windows Kernel Elevation of Privilege vulnerability
Windows Kernel Elevation of Privilege vulnerability (CVE-2026-49798) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.