Skip to main content

Sma 100 Firmware CVE-2021-20016

CRITICAL
SQL Injection (CWE-89)
2021-02-04 PSIRT@sonicwall.com
9.8
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Added to CISA KEV
Jul 14, 2026 - 04:22 CISA
CVE Published
Feb 04, 2021 - 06:15 nvd
CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. 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 products include: Sonicwall Sma 100 Firmware, Sonicwall Sma 200 Firmware, Sonicwall Sma 210 Firmware, Sonicwall Sma 400 Firmware, Sonicwall Sma 410 Firmware. Version information: version 10..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.

CVE-2025-32819 HIGH POC
8.8 May 07

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges to bypass the path traversa

CVE-2019-7481 HIGH POC
7.5 Dec 17

Vulnerability in SonicWall SMA100 allow unauthenticated user to gain read-only access to unauthorized resources. Rated h

CVE-2019-7482 CRITICAL
9.8 Dec 19

Stack-based buffer overflow in SonicWall SMA100 allows an unauthenticated user to execute arbitrary code in function lib

CVE-2025-32820 HIGH
8.8 May 07

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges can inject a path traversal

CVE-2019-7486 HIGH
8.8 Dec 19

Code injection in SonicWall SMA100 allows an authenticated user to execute arbitrary code in viewcacert CGI script. Rate

CVE-2019-7485 HIGH
8.8 Dec 19

Buffer overflow in SonicWall SMA100 allows an authenticated user to execute arbitrary code in DEARegister CGI script. Ra

CVE-2021-20050 HIGH
7.5 Dec 23

An Improper Access Control Vulnerability in the SMA100 series leads to multiple restricted management APIs being accessi

CVE-2021-20049 HIGH
7.5 Dec 23

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 usern

CVE-2019-7483 HIGH
7.5 Dec 19

In SonicWall SMA100, an unauthenticated Directory Traversal vulnerability in the handleWAFRedirect CGI allows the user t

CVE-2025-32821 HIGH
7.2 May 07

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN admin privileges can with admin privileges

CVE-2019-7484 MEDIUM
6.5 Dec 19

Authenticated SQL Injection in SonicWall SMA100 allow user to gain read-only access to unauthorized resources using view

Share

CVE-2021-20016 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy