[ CVE-2021-20028 · Published 4 Aug 2021 ]

SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 30%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-28
  • Known to be used in ransomware campaigns
  • EPSS: 30% chance of exploitation in the next 30 days (higher than 98% of CVEs)
  • Critical severity: CVSS 9.8

[ Description ]Official 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: SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 18 Apr 2022): The impacted product is end-of-life and should be disconnected if still in use.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.