Vulnerability Intelligence Report
SonicWall SMA100 Appliances OS Command Injection Vulnerability
CVE-2021-20035
Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
6.5
MEDIUM
Exploitability:2.9
Impact Score:3.6
EPSS Probability:3.89%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
—
Weaknesses (CWE)
CWE-78 ↗CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| SonicWall | SMA100 | 9.0.0.10-28sv and earlier (affected), 10.2.0.7-34sv and earlier (affected), 10.2.1.0-17sv and earlier (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | SonicWall, Inc. · Vendor · USA |
| Reserved | 2020-12-17T00:00:00 |
| Published | 2021-09-27T17:20:12 |
| Last Updated | 2025-10-21T23:25:31 |
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