CVE-2021-20016
Actively exploited. CVE-2021-20016 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker.
CSIRTS triage
- What
- SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker.
- Who is affected
- Users of SonicWall SSLVPN SMA100 are affected.
- Urgency
- Remediation is urgent as the vulnerability is critical and has been exploited.
- Action
- Users should apply the latest security updates from SonicWall.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2021-20016: SonicWall SSLVPN SMA100 SQL Injection Vulnerabilitycisa-kev · 2021-11-03
External references
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