CVE-2021-20035 KEV
6.5
MEDIUM · CVSS 3.1 · EPSS 4.2% (pctl 91)
Patch first
On CISA KEV — known exploited in the wild, due 2025-05-07.
Description
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.
Scoring
| CVSS | 6.5 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 4.18% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | yes — remediate by 2025-05-07 |
| Public exploit | none known |
| Published | 2021-09-27 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | SonicWall SMA100 Appliances OS Command Injection Vulnerability |
|---|---|
| Added | 2025-04-16 |
| Due | 2025-05-07 |
| Vendor / product | SonicWall / SMA100 Appliances |
| Ransomware use | none reported |
Affected (9)
| Vendor | Product |
|---|---|
| sonicwall | sma 200 |
| sonicwall | sma 200 firmware |
| sonicwall | sma 210 |
| sonicwall | sma 210 firmware |
| sonicwall | sma 400 |
| sonicwall | sma 400 firmware |
| sonicwall | sma 410 |
| sonicwall | sma 410 firmware |
| sonicwall | sma 500v |
References
→ the Explorer · watch your stack · NVD