Known Exploited Vulnerability
9.8
CRITICAL
CVE-2021-20016
SonicWall SSLVPN SMA100 SQL Injection Vulnerabilit - [Actively Exploited]
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.

INFO

Published Date :

Feb. 4, 2021, 6:15 a.m.

Last Modified :

Feb. 8, 2021, 2:40 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2021-20016 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-20016 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sonicwall sma_210_firmware
2 Sonicwall sma_410_firmware
3 Sonicwall sma_100_firmware
4 Sonicwall sma_200_firmware
5 Sonicwall sma_400_firmware
6 Sonicwall sma_500v
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-20016.

URL Resource
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001 Mitigation Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Resources for Security Matters talk 2022

Updated: 2 years, 7 months ago
1 stars 0 fork 0 watcher
Born at : April 20, 2022, 5:31 p.m. This repo has been linked 39 different CVEs too.

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 months, 2 weeks ago
516 stars 32 fork 32 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1181 different CVEs too.

主流供应商的一些攻击性漏洞汇总

Updated: 2 months, 2 weeks ago
805 stars 142 fork 142 watcher
Born at : Nov. 8, 2021, 2:12 a.m. This repo has been linked 93 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-20016 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-20016 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 08, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001 No Types Assigned https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001 Mitigation, Vendor Advisory
    Added CWE NIST CWE-89
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:* versions from (including) 10.0.0.0 up to (excluding) 10.2.0.5-d-29sv OR cpe:2.3:h:sonicwall:sma_100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sma_200_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sonicwall:sma_200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sma_210_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sma_400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sonicwall:sma_400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sma_410_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:sonicwall:sma_500v:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-20016 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.63 }} 0.37%

score

0.90014

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability