VulnerabilityAnalyzed

CVE-2021-20028

SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability

KEVCRITICAL 9.8EPSS 30.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 30.08% probability · 98th percentile
CISA KEV: Listed 28 March 2022 · due 18 April 2022 · used in ransomware campaigns
Weakness: CWE-89
Affected: sonicwall/sma 210 firmware · sonicwall/sma 410 firmware · sonicwall/sma 500v firmware · sonicwall/sra 4600 firmware · sonicwall/sra 1600 firmware · sonicwall/sra va firmware
Source: PSIRT@sonicwall.com

CISA notes

The impacted product is end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2021-20028

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20028US Government Resource

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.