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TI-2024-27519 Aliases CVE-2024-41173GHSA-p9fm-h38h-99qw

Beckhoff: Local authentication bypass in the IPC-Diagnostics package included in TwinCAT/BSD

Priority LOW 35CWE-288Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.

Summary

The IPC-Diagnostics package included in TwinCAT/BSD is vulnerable to a local authentication bypass by a low privileged attacker.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00162 5th percentileScored 2026-11-07
Fix Fixed IPC Diagnostics package (Beckhoff): 2.0.0.1TwinCAT/BSD (Beckhoff): 14.1.2.0

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
BeckhoffIPC Diagnostics packagebefore 2.0.0.12.0.0.1Patch availableCNA
BeckhoffTwinCAT/BSDbefore 14.1.2.014.1.2.0Patch availableCNA
  • IPC Diagnostics package VendorBeckhoff Affected before 2.0.0.1 Fixed in 2.0.0.1 Patch available CNA
  • TwinCAT/BSD VendorBeckhoff Affected before 14.1.2.0 Fixed in 14.1.2.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:beckhoff:ipc_diagnostics_package:*:*:*:*:*:*:*:*before 2.0.0.1VulnerableBeckhoff
cpe:2.3:o:beckhoff:twincat\/bsd:*:*:*:*:*:*:*:*before 14.1.2.0VulnerableBeckhoff
  • cpe:2.3:a:beckhoff:ipc_diagnostics_package:*:*:*:*:*:*:*:* Versions before 2.0.0.1 Vulnerable ·Beckhoff
  • cpe:2.3:o:beckhoff:twincat\/bsd:*:*:*:*:*:*:*:* Versions before 14.1.2.0 Vulnerable ·Beckhoff

Remediation

  • Fix · CNA IPC Diagnostics package (Beckhoff) Fixed in 2.0.0.1
  • Fix · CNA TwinCAT/BSD (Beckhoff) Fixed in 14.1.2.0

Fixed in the same release

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

  • Release ·

    Beckhoff TwinCAT/BSD 14.1.2.0

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2024-27522 Beckhoff: Local Denial of Service issue in package MDP included in TwinCAT/BSDPriority LOW 34
    • TI-2024-27520 Beckhoff: Improper input neutralization vulnerability in the IPC-Diagnostics package in TwinCAT/BSDPriority LOW 34
    • TI-2024-27521 Beckhoff: Local Denial-of-Service vulnerability in TwinCAT/BSD and the IPC-Diagnostics packagePriority LOW 24
    Show all 4 records →
  • Release ·

    Beckhoff IPC Diagnostics package 2.0.0.1

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2024-27520 Beckhoff: Improper input neutralization vulnerability in the IPC-Diagnostics package in TwinCAT/BSDPriority LOW 34
    • TI-2024-27521 Beckhoff: Local Denial-of-Service vulnerability in TwinCAT/BSD and the IPC-Diagnostics packagePriority LOW 24
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-41173
  2. 2026-10-03 Alias added: GHSA-p9fm-h38h-99qw

References

Advisory 1

  • TI-2024-27520 Beckhoff: Improper input neutralization vulnerability in the IPC-Diagnostics package in TwinCAT/BSD CVSS 3.1HIGH 7.3
  • TI-2024-27521 Beckhoff: Local Denial-of-Service vulnerability in TwinCAT/BSD and the IPC-Diagnostics package CVSS 3.1MEDIUM 5.5

Sources

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