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CVE-2021-20016

Known Exploited (CISA KEV)CRITICAL
9.8
CVSS Severity Score
EPSS Score81.4100%
EPSS Percentile93.33th
PublishedFeb 4, 2021
Last ModifiedOct 31, 2025

Vulnerability 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.

Affected Platforms (CPE)

💻
Sonicwall

Sma 100 Firmware

>= 10.0.0.0 and < 10.2.0.5-d-29sv
💻
Sonicwall

Sma 200 Firmware

All versions
💻
Sonicwall

Sma 210 Firmware

All versions
💻
Sonicwall

Sma 400 Firmware

All versions
💻
Sonicwall

Sma 410 Firmware

All versions
📦
Sonicwall

Sma 500v

All versions

References & Advisories

🔗 https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001
🔗 https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20016

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