CVE-2021-22281

Zip Slip Vulnerability in B&R Automation Studio Project Import

Published Feb 2, 2024 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
: Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.

Remediation

Vendor Workaround

B&R recommends the following specific workarounds and mitigations: Open only B&R Automation Studio project files from trusted source. Use encrypted export of B&R Automation Studio project files, thus only allowing access to legitimate users. Protect locations where B&R Automation Studio projects are stored from unauthorized access. This includes PLCs, when using the feature to back up project source files on target. Do not run B&R Automation Studio in elevated mode. Make sure, that Windows User Access Control (UAC) is enabled. Verify integrity of B&R Automation Studio project files, which are exchanged via potentially insecure channels In general, B&R recommends implementing the Cyber Security guidelines

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-9427 : Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
ABB
Published
Updated
Aug 21, 2024, 5:32 PM
Reserved
Jan 5, 2021, 5:31 PM
Status
Modified
Published
Feb 2, 2024, 8:15 AM
Modified
Jun 17, 2026, 3:36 AM