SonicWall SMA100 Appliances OS Command Injection Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 27, 2021 · Catalog

   Detected

   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.

2. Apr 16, 2025 · CISA KEV

   Known exploited

   Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

3. May 7, 2025 · CISA KEV

   Remediation due

   Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

4. Jun 16, 2026 · Catalog

   Updated

   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.

Affected

• cpe sonicwall/sma 200 firmwareversion unspecified
• cpe sonicwall/sma 210 firmwareversion unspecified
• cpe sonicwall/sma 400 firmwareversion unspecified
• cpe sonicwall/sma 410 firmwareversion unspecified
• cpe sonicwall/sma 500vversion unspecified
• vendor SonicWall SMA100 Appliancesversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2021-20035

  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.

  cisa.gov
• CVE.orgVulnerability recordCVE-2021-20035

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2021-20035

  30-day exploitation probability 4.2%

  first.org
• NIST NVDVulnerability recordCVE-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.

  nvd.nist.gov

References

• CISA note · nvd.nist.gov
• CISA note · psirt.global.sonicwall.com
• US Government Resource · cisa.gov