SonicWALL Secure Remote Access up to 9.0.0.9-26sv cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in SonicWALL Secure Remote Access up to 9.0.0.9-26sv. The impacted element is an unknown function. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2021-20028. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in SonicWALL Secure Remote Access up to 9.0.0.9-26sv (Remote Access Software) and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

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

The weakness was released 08/05/2021 as SNWLID-2021-0017. The advisory is shared at psirt.global.sonicwall.com. This vulnerability is known as CVE-2021-20028. It demands that the victim is doing some kind of user interaction. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/28/2022 with a due date of 04/18/2022:

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

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
08/05/2021 +230 days 🔍
08/05/2021 +0 days 🔍
10/31/2025 +1548 days 🔍

Sourcesinfo

Vendor: sonicwall.com

Advisory: SNWLID-2021-0017
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20028 (🔍)
GCVE (CVE): GCVE-0-2021-20028
GCVE (VulDB): GCVE-100-180121
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/05/2021 08:09
Updated: 10/31/2025 18:32
Changes: 08/05/2021 08:09 (37), 08/08/2021 14:32 (3), 04/25/2024 07:40 (26), 07/17/2024 13:04 (19), 09/19/2024 18:18 (2), 05/03/2025 14:09 (3), 10/31/2025 18:32 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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