CVEs / CVE-2021-20028
CVE-2021-20028: SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability
- Known exploited in the CISA KEV catalog since 28 Mar 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 30% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.
Description
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
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| SonicWall SonicWall SRA/SMA100 | 8.x firmware | — |
| SonicWall SonicWall SRA/SMA100 | 9.0.0.9-26sv and earlier. | — |
Exploitation
| In CISA KEV since | 28 Mar 2022 |
|---|---|
| Due date for US federal agencies | 18 Apr 2022 |
| Used in ransomware campaigns | Known |
| Required action | The impacted product is end-of-life and should be disconnected if still in use. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-89 |
References
- CVE-2021-20028 on NVD
- CVE-2021-20028 in the CISA KEV catalog
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20028 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.