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CVE-2021-20028

UNKNOWN
Published 2021-08-04T19:10:09.000Z
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Expert Analysis

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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.867
probability
of exploitation in the wild

There is a 86.7% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.994
Higher than 99.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or earlier

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

SonicWall

SonicWall SRA/SMA100

Affected Versions:

8.x firmware 9.0.0.9-26sv and earlier.

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

April 18, 2022

Added to KEV

March 28, 2022

Required Action

The impacted product is end-of-life and should be disconnected if still in use.

Affected Product

Vendor/Project: SonicWall
Product: Secure Remote Access (SRA)

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-2gf8-x72h-g57r

Advisory Details

** UNSUPPORTED WHEN ASSIGNED ** Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or earlier.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-20028
WEB https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: March 21, 2024

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017
Published: 2021-08-04T19:10:09.000Z
Last Modified: 2025-07-28T19:46:23.573Z
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