CVE-2021-22281

Summary

: 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.

Affected Software

VendorProductVersion RangeStatus
B&R Industrial AutomationAutomation Studio4.0 <= 4.12affected

Weaknesses

  • CWE-23: CWE-23: Relative Path Traversal

Workarounds

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

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References