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CVE-2021-22280 Input validation

Routine
Remediate Within 6 Months

CVE Information

Original CVE data

Published:
Updated:

Improper DLL loading algorithms in B&R Automation Studio may allow an authenticated local attacker to execute code with elevated privileges. This issue affects Automation Studio versions before 4.12.

CWE:
CVSS v2-
CVSS v3-
References
https://www.br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf
Affected Vendors

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Input validation

CVSS Scores as calculated by PRIOnengine
CVSS v24.6
AV:L/AC:L/AU:N/C:P/I:P/A:P
CVSS v37.8
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
MITRE CWE Top 25

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Exploits

No exploit code is reported to exist.

Active Exploitation

Vulnerability is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

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Threat Actor Activity

No sightings of the vulnerability within threat reports.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

T1529 - System Shutdown/Reboot
T1499.004 - Endpoint Denial of Service (Application or System Exploitation)
T1203 - Exploitation for Client Execution
T1068 - Exploitation for Privilege Escalation
T1059 - Command and Scripting Interpreter

Compliance Impact

How the submited vulnerability affects compliance

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Web Application Security Frameworks

Applicable if the issue likely affects a web application

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