PT-2024-10875 · B&R · Automation Studio

Published 2024-05-14 · Updated 2024-08-01 · CVE-2021-22280

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions B&R Automation Studio versions 4.0 through 4.11

Description The issue is related to improper DLL loading algorithms, which may allow an authenticated local attacker to execute code in the context of the product with elevated privileges.

Recommendations For B&R Automation Studio versions 4.0 through 4.11, update to version 4.12 or later to resolve the issue.

Fix

RCE

Uncontrolled Search Path Element

Weakness Enumeration

CWE-20

CWE-427

Related Identifiers

CVE-2021-22280

Affected Products

Automation Studio

References · 5

• https://osv.dev/vulnerability/CVE-2021-22280 · Vendor Advisory
• https://br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22280 · Security Note
• https://t.me/cvenotify/79864 · Telegram Post
• https://t.me/cvenotify/79773 · Telegram Post