CVE-2021-22280 - Vulnerability Details - OpenCVE

Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated local attacker to execute code in the context of the product.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00055.

Key SSVC decision points have not yet been added.

Vendors	Products
Br-automation Subscribe	Automation Studio Subscribe

Configuration 1 [-]

cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-9426	Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated local attacker to execute code in the context of the product.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf

History

Fri, 19 Dec 2025 15:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Br-automation Br-automation automation Studio
Weaknesses		CWE-427
CPEs		cpe:2.3:a:br-automation:automation_studio::::::::
Vendors & Products		Br-automation Br-automation automation Studio

Projects

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MITRE

Status: PUBLISHED

Assigner: ABB

Published: 2024-05-14T19:36:51.930Z

Updated: 2024-08-03T18:37:18.537Z

Reserved: 2021-01-05T17:31:49.080Z

Link: CVE-2021-22280

Vulnrichment

Updated: 2024-08-03T18:37:18.537Z

NVD

Status : Analyzed

Published: 2024-05-14T20:15:11.263

Modified: 2025-12-19T14:48:27.197

Link: CVE-2021-22280

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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