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
- PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
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.