CVE-2021-20035 — SonicWall SMA100 Appliances OS Command Injection Vulnerability
CVE-2021-20035: SonicWall SMA100 Appliances OS Command Injection Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | SonicWall |
| Product | SMA100 Appliances |
| Date added | 2025-04-16 |
| Due date | 2025-05-07 |
| Ransomware campaign use | Unknown |
Description
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0022 ; https://nvd.nist.gov/vuln/detail/CVE-2021-20035
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-20035
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog