CVE-2021-22280
DLL Hijacking Vulnerability in Automation Studio
Severity Score
7.2
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
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.
Los algoritmos de carga de DLL inadecuados en B&R Automation Studio pueden permitir que un atacante local autenticado ejecute código con privilegios elevados. Este problema afecta a las versiones de Automation Studio anteriores a la 4.12.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-05 CVE Reserved
- 2024-05-14 CVE Published
- 2024-08-03 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://www.br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| B&R Industrial Automation Search vendor "B&R Industrial Automation" | Automation Studio Search vendor "B&R Industrial Automation" for product "Automation Studio" | < 4.12 Search vendor "B&R Industrial Automation" for product "Automation Studio" and version " < 4.12" | en |
Affected
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