SonicWall SMA100 Appliances OS Command Injection
What to do
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 deadline 2025-05-07 · passed 1 year 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
SonicWall SMA100 appliances contain an OS command injection vulnerability in the management interface that allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user, which could potentially lead to code execution.
Who is affected
SonicWall SMA100 Appliances. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-78.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 1 year 4 months ago
Sources
- NVD entry for CVE-2021-20035 nvd.nist.gov/vuln/detail/CVE-2021-20035
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- psirt.global.sonicwall.com psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0022
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-20035