CVEvulnerability

CVE-2021-20028

9.8 CRITICAL Known exploited Published 2021-08-04 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability — SonicWall Secure Remote Access (SRA)

SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.

Added to KEV: 2022-03-28
Remediation due: 2022-04-18
Ransomware use: Known
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-20028

Status: Analyzed
Published: 2021-08-04
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses: CWE-89

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 configurations

• sonicwall sma 210 firmware (>= 8.0.0.0 < 9.0.0.10-28sv) • sonicwall sma 410 firmware (>= 8.0.0.0 < 9.0.0.10-28sv) • sonicwall sma 500v firmware (>= 8.0.0.0 < 9.0.0.10-28sv) • sonicwall sra 4600 firmware (>= 8.0.0.0 < 9.0.0.10-28sv) • sonicwall sra 1600 firmware (>= 8.0.0.0 < 9.0.0.10-28sv) • sonicwall sra va firmware (>= 8.0.0.0 < 9.0.0.10-28sv)

Weakness · CWE (1)

CWE-89 Improper Neutralization of Special Elements used in an SQL Command weakness

References