Back to Database
Status published
High
CVE-2021-22280
DLL Hijacking Vulnerability in Automation Studio
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-22280
Credits & Attribution
No credits recorded in the NVD database.
More from B&R Industrial Automation
View All →CVE-2025-3450
Automation Runtime SDM requests may impact system
Critical
9.3
CVE-2024-8603
A “Use of a Broken or Risky Cryptographic Algorithm” vulnerability...
High
8.2
CVE-2024-8315
Improper Handling of Insufficient Permissions or Privileges in B&R APROL
Medium
6.8
CVE-2024-5801
IP Forwarding enabled in B&R Automation Runtime
Medium
5.3
CVE-2024-5800
Diffie-Hellman groups with insufficient strength used in SSL/TLS stack of B&R Automation Runtime
High
8.3
Affected Vendor
B&R Industrial Automation
View all reports →Affected Software
Automation Studio
Vulnerable Versions:
0
Timeline
Official Publish:
May 14th, 2024
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.