← Back to CVEs
CVE-2021-20035
MEDIUMCISA KEV6.5
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.
CVE Details
CVSS v3.1 Score6.5
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
Published9/27/2021
Last Modified10/31/2025
Sourcekev
Honeypot Sightings0
CISA KEV
VendorSonicWall
ProductSMA100 Appliances
Vulnerability NameSonicWall SMA100 Appliances OS Command Injection Vulnerability
KEV Date Added2025-04-16
Remediation Due Date2025-05-07
Ransomware UseUnknown
Affected Products
sonicwall:sma_200sonicwall:sma_200_firmwaresonicwall:sma_210sonicwall:sma_210_firmwaresonicwall:sma_400sonicwall:sma_400_firmwaresonicwall:sma_410sonicwall:sma_410_firmwaresonicwall:sma_500v
Weaknesses (CWE)
CWE-78CWE-78
References
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0022(PSIRT@sonicwall.com)
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0022(af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20035(134c704f-9b21-4f2e-91b3-4a467353bcc0)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.