Findings

CVE-2021-20028

SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability

Published Aug 4, 2021 · updated Jun 16, 2026 · sonicwall sma 210 firmware

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

Timeline

Detection, updates, and resolution for this record.

  1. Aug 4, 2021 · Catalog

    Detected

    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

  2. Mar 28, 2022 · CISA KEV

    Known exploited

    The impacted product is end-of-life and should be disconnected if still in use.

  3. Apr 18, 2022 · CISA KEV

    Remediation due

    The impacted product is end-of-life and should be disconnected if still in use.

  4. Jun 16, 2026 · Catalog

    Updated

    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

Required action

The impacted product is end-of-life and should be disconnected if still in use.

CISA due date Apr 18, 2022

Affected

  • cpe sonicwall/sma 210 firmwareversion unspecified
  • cpe sonicwall/sma 410 firmwareversion unspecified
  • cpe sonicwall/sma 500v firmwareversion unspecified
  • cpe sonicwall/sra 1600 firmwareversion unspecified
  • cpe sonicwall/sra 4600 firmwareversion unspecified
  • cpe sonicwall/sra va firmwareversion unspecified
  • vendor SonicWall Secure Remote Access (SRA)version unspecified

Sources

  • CISA KEVCVE-2021-20028

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

    cisa.gov
  • CVE.orgCVE-2021-20028

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2021-20028

    30-day exploitation probability 30.1%

    first.org
  • NIST NVDCVE-2021-20028

    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

    nvd.nist.gov

References

CVE-2021-20028 · ZeroDay Findings