CVE-2021-20035

CVE-2021-20035

Vendor Sonicwall
Product SMA100
Weakness CWE-78
KEV Status Known Exploited
Published September 27, 2021
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

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 mandated remediation

02CISA 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.

Key dates

03Disclosure timeline

September 27, 2021 CVE published
October 21, 2025 Record updated