What is CVE-2021-20028?

CVE-2021-20028 is a vulnerability in Sonicwall Sra/sma100, classified under SQL Injection. Published 2021-08-04.

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.

SQL Injection in Sonicwall Sra/sma100

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: 0.808 (99.2th percentile) — read the EPSS interpretation.

Affected products

Sonicwall Sra/sma100 — versions 8.x firmware, 9.0.0.9-26sv and earlier.

Weakness classification (CWE)

CWE-89 — SQL Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-28. 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: 2022-04-18.

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

psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-20028?: CVE-2021-20028 is a vulnerability in Sonicwall Sra/sma100, classified under SQL Injection. Published 2021-08-04.
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.