SQL Injection in Sonicwall Sma_210

CVE-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

Vulnerability class: SQL Injection

EPSS: 0.301 (98.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

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

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-20028?
CVE-2021-20028 is a critical-severity vulnerability in Sonicwall Sma_210, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-08-04.
How severe is CVE-2021-20028?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-20028 known to be exploited?
Yes. CVE-2021-20028 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.