CVE-2020-24681: automation studio Permission Flaw — Fix

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.

Is your site exposed to CVE-2020-24681?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.2

HIGH

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

Weakness Type (CWE)

CWE-732 CWE-732

Affected Products

Vendor	Product	Versions
br-automation	automation_studio	4.0 — 4.7.7.74
br-automation	automation_studio	4.8 — 4.8.6.30
br-automation	automation_studio	4.9 — 4.9.4.92
microsoft	windows	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2020-24681? +

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. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2020-24681? +

CVE-2020-24681 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2020-24681? +

CVE-2020-24681 affects products from br-automation, microsoft, specifically: automation_studio, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-24681? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-6369

An improper access control vulnerability in the canonical-livepatch snap client prior to version 10.15.0 allows a local unprivileged user to …

CVE-2026-9489

NitroSense 3.x before 3.01.3052 contains Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a custom …

CVE-2026-6499

Incorrect Permission Assignment for Critical Resource vulnerability in ILM Informatique OpenConcerto allows Replace Binaries. This issue affects OpenConcerto: 1.7.5.

CVE-2026-8069

PredatorSense version 3.00.3136 to 3.00.3196 contain Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a …

CVE-2025-24481

An Incorrect Permission Assignment Vulnerability exists in the product and version listed above. The vulnerability is due to incorrect permissions …

CVE-2025-1413

DaVinci Resolve on MacOS was found to be installed with incorrect file permissions (rwxrwxrwx). This is inconsistent with standard macOS …

CVE-2020-24681