Risk Letters

Exploited vulnerability

CVE-2021-20035

TLP:CLEAR

SonicWall SMA100 Appliances OS Command Injection Vulnerability

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.

Facts

  • Vendor: SonicWall
  • Product: SMA100 Appliances
  • CVSS: 6.5
  • EPSS (probability of exploitation within 30 days): 4.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 16 April 2025
  • First known exploitation: 16 April 2025
  • CISA's deadline for US federal agencies: 7 May 2025
  • Weakness: CWE-78
  • First seen by Risk Letters: 16 April 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD