CVE-2021-20016 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 40% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2021-11-17.
Description
A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information. This vulnerability impacts SMA100 build version 10.x.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 40.04% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-89 |
| On CISA KEV | yes — remediate by 2021-11-17 |
| Public exploit | none known |
| Published | 2021-02-04 |
| Last modified | 2026-08-12 |
CISA KEV
| Name | SonicWall SSLVPN SMA100 SQL Injection Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2021-11-17 |
| Vendor / product | SonicWall / SSLVPN SMA100 |
| Ransomware use | known |
Affected (11)
| Vendor | Product |
|---|---|
| sonicwall | sma 100 |
| sonicwall | sma 100 firmware |
| 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