CVE-2021-20035
MediumActively exploited (CISA KEV)
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
SonicWall SMA100 Appliances
PublishedSep 27, 2021
First seenSep 27, 2021
Added to KEVApr 16, 2025
Weakness typeCWE-78OS command injection
How to fix
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: May 7, 2025Update
- sonicwall sma_200_firmware9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv or later
- sonicwall sma_210_firmware9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv or later
- sonicwall sma_400_firmware9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv or later
- sonicwall sma_410_firmware9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv or later
- sonicwall sma_500v9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sonicwall sma_200_firmware | v < 9.0.0.11-31sv, 10.2.0.0 ≤ v < 10.2.0.8-37sv, 10.2.1.0 ≤ v < 10.2.1.1-19sv | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv |
| sonicwall sma_210_firmware | v < 9.0.0.11-31sv, 10.2.0.0 ≤ v < 10.2.0.8-37sv, 10.2.1.0 ≤ v < 10.2.1.1-19sv | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv |
| sonicwall sma_400_firmware | v < 9.0.0.11-31sv, 10.2.0.0 ≤ v < 10.2.0.8-37sv, 10.2.1.0 ≤ v < 10.2.1.1-19sv | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv |
| sonicwall sma_410_firmware | v < 9.0.0.11-31sv, 10.2.0.0 ≤ v < 10.2.0.8-37sv, 10.2.1.0 ≤ v < 10.2.1.1-19sv | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv |
| sonicwall sma_500v | v < 9.0.0.11-31sv, 10.2.0.0 ≤ v < 10.2.0.8-37sv, 10.2.1.0 ≤ v < 10.2.1.1-19sv | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv |
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