Vulnerability Details : CVE-2021-20028

Used for ransomware!
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
Published 2021-08-04 19:15:08
Updated 2024-08-14 20:07:19
Source SonicWALL, Inc.
View at NVD,   CVE.org
Vulnerability category: Sql Injection

CVE-2021-20028 is in the CISA Known Exploited Vulnerabilities Catalog

This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability
CISA required action:
The impacted product is end-of-life and should be disconnected if still in use.
CISA description:
SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2021-20028
Added on 2022-03-28 Action due date 2022-04-18

Exploit prediction scoring system (EPSS) score for CVE-2021-20028

EPSS FAQ
2.39%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20028

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2021-20028

  • The product 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. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
    Assigned by:
    • nvd@nist.gov (Primary)
    • PSIRT@sonicwall.com (Secondary)

References for CVE-2021-20028

Products affected by CVE-2021-20028

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