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TI-2020-15148 Aliases CVE-2020-24681GHSA-qc2v-frq4-w9pj

Automation Studio and PVI Multiple incorrect permission assignments for services

Priority LOW 39CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00153 4th percentileScored 2026-11-07
Fix Fixed Automation Studio (B&R Industrial Automation): 4.7.7 SP, 4.8.6 SP, 4.9.4 SPNET/PVI (B&R Industrial Automation): 4.7.7, 4.8.6, 4.9.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
B&R Industrial AutomationAutomation Studio4.6.0 – 4.6.x; 4.7.0 to before 4.7.7 SP; 4.8.0 to before 4.8.6 SP; 4.9.0 to before 4.9.4 SP4.7.7 SP, 4.8.6 SP, 4.9.4 SPPatch availableCNA
B&R Industrial AutomationNET/PVI4.6.0 – 4.6.x; 4.7.0 to before 4.7.7; 4.8.0 to before 4.8.6; 4.9.0 to before 4.9.44.7.7, 4.8.6, 4.9.4Patch availableCNA
  • Automation Studio VendorB&R Industrial Automation Affected 4.6.0 – 4.6.x; 4.7.0 to before 4.7.7 SP; 4.8.0 to before 4.8.6 SP; 4.9.0 to before 4.9.4 SP Fixed in 4.7.7 SP, 4.8.6 SP, 4.9.4 SP Patch available CNA
  • NET/PVI VendorB&R Industrial Automation Affected 4.6.0 – 4.6.x; 4.7.0 to before 4.7.7; 4.8.0 to before 4.8.6; 4.9.0 to before 4.9.4 Fixed in 4.7.7, 4.8.6, 4.9.4 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*4.0 to before 4.7.7.74; 4.8 to before 4.8.6.30; 4.9 to before 4.9.4.92VulnerableB&R Industrial Automation
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:* Versions 4.0 to before 4.7.7.74; 4.8 to before 4.8.6.30; 4.9 to before 4.9.4.92 Vulnerable ·B&R Industrial Automation
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Automation Studio (B&R Industrial Automation) Fixed in 4.7.7 SP, 4.8.6 SP, 4.9.4 SP
  • Fix · CNA NET/PVI (B&R Industrial Automation) Fixed in 4.7.7, 4.8.6, 4.9.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    B&R Industrial Automation Automation Studio, NET/PVI 4.7.7, 4.7.7 SP and 4 more versions

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2020-15149 Automation Studio and PVI Multiple unquoted service path vulnerabilitiesPriority LOW 35
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-24681
  2. 2026-10-03 Alias added: GHSA-qc2v-frq4-w9pj

References

Advisory 1

  • TI-2019-13790 B&R Automation Runtime SNMP Authentication and Authorization Weakness CVSS 3.1CRITICAL 9.4
  • TI-2024-00198 B&R products use insufficient communication encryption CVSS 3.1HIGH 8.3
  • TI-2021-05260 RCE in B&R Automation Studio with crafted project files CVSS 3.1HIGH 8.3
  • TI-2020-15149 Automation Studio and PVI Multiple unquoted service path vulnerabilities CVSS 3.1HIGH 7.8
  • TI-2019-13785 Zip Slip vulnerability in 3rd-Party library in B&R Automation Studio upgrade service CVSS 3.1HIGH 7.5
  • TI-2021-05259 Zip Slip Vulnerability in B&R Automation Studio Project Import CVSS 3.1HIGH 7.5
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences