CVEvulnerability

CVE-2021-20016

9.8 CRITICAL Known exploited Published 2021-02-04 Modified 2026-08-12 Official page ↗

CISA Known Exploited Vulnerability

SonicWall SSLVPN SMA100 SQL Injection Vulnerability — SonicWall SSLVPN SMA100

SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker.

Added to KEV
2021-11-03
Remediation due
2021-11-17
Ransomware use
Known
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-20016
Status
Analyzed
Published
2021-02-04
Last modified
2026-08-12
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-89

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 configurations

• sonicwall sma 100 firmware (>= 10.0.0.0 < 10.2.0.5-d-29sv) • sonicwall sma 200 firmware • sonicwall sma 210 firmware • sonicwall sma 400 firmware • sonicwall sma 410 firmware • sonicwall sma 500v

Related

Weakness · CWE (1)

  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command weakness

References