CVE-2021-20028 on CISA KEV

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

01What CISA says about this vulnerability

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

02Required action — verbatim from CISA

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

03Notes & references

• psirt.global.sonicwall.com — https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
SonicWall	SonicWall SRA/SMA100	8.x firmware, 9.0.0.9-26sv and earlier.

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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