CVE-2021-20016 | BDVDB-2026-148472 Detail

SonicWallSonicWall SMA100

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References#

Exploit#

No public exploit known

History#

Version 12021-02-03Record published in the CVE List.
Version 22026-08-12Most recent update recorded in the CVE List.

Published

Published: 2021-02-03
Last modified: 2026-08-12

Vendor information

Vendor: SonicWall
Product: SonicWall SMA100

All SonicWall vulnerabilities

Score

9.8 Critical

EPSS

40.0%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 98.6.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

SQL Injection

Action

Apply updates per vendor instructions.

Affected Systems

Vulnerable
SMA100 build version 10.x
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).