sonicwall sma-500v CVE-2021-20016 is a vulnerability in SonicWall Sma 500v
Published on February 4, 2021

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.

NVD

Known Exploited Vulnerability

This SonicWall SSL VPN SMA100 SQL Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information in SMA100 build version 10.x.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-20016 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a SQL Injection Vulnerability?

The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.

CVE-2021-20016 has been classified to as a SQL Injection vulnerability or weakness.


Products Associated with CVE-2021-20016

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SonicWall Sma 500v
 

Affected Versions

SonicWall SMA100 Version SMA100 build version 10.x is affected by CVE-2021-20016

Exploit Probability

EPSS
78.00%
Percentile
98.99%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.