CVE-2020-24681 | BDVDB-2026-223496 Detail

B&R Industrial AutomationAutomation Studio

Description#

Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation Studio allows Privilege Escalation.This issue affects Automation Studio: from 4.6.0 through 4.6.X, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP.

Impact#

CAPEC-233 Privilege Escalation

Weaknesses#

CWE-732 Incorrect Permission Assignment for Critical Resource

References#

https://www.br-automation.com/fileadmin/2021-14-BR-AS-NET-PVI-Service-Issues-c3710fbf.pdf

Exploit#

No public exploit known

History#

Version 12024-02-02Record published in the CVE List.
Version 22025-05-09Most recent update recorded in the CVE List.

Published

Published: 2024-02-02
Last modified: 2025-05-09

Vendor information

Vendor: B&R Industrial Automation
Product: Automation Studio

All B&R Industrial Automation vulnerabilities

Score

8.2 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 4.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 4.6.0 and <= 4.6.x
Fixed
Not stated
Vulnerable
>= 4.7.0 and < 4.7.7 SP
Fixed
4.7.7 SP
Vulnerable
>= 4.8.0 and < 4.8.6 SP
Fixed
4.8.6 SP
Vulnerable
>= 4.9.0 and < 4.9.4 SP
Fixed
4.9.4 SP

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.2 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).