CVE-2024-45471: Tecnomatix Plant Simulation RCE Vulnerability

CVE-2024-45471 Overview

CVE-2024-45471 is an out-of-bounds write vulnerability [CWE-787] affecting Siemens Teamcenter Visualization and Tecnomatix Plant Simulation. The flaw exists in the parsing routines for Virtual Reality Modeling Language (WRL) files. An attacker who convinces a user to open a specially crafted WRL file can execute arbitrary code in the context of the current process. Siemens published advisories SSA-583523 and SSA-645131 describing the affected versions and the corresponding fixes.

Critical Impact
Successful exploitation allows local code execution in the context of the user running the affected application, enabling attackers to compromise engineering workstations that process untrusted CAD or simulation content.

Affected Products

Siemens Teamcenter Visualization V14.2 (all versions prior to V14.2.0.14), V14.3 (all versions prior to V14.3.0.12), and V2312 (all versions prior to V2312.0008)
Siemens Tecnomatix Plant Simulation V2302 (all versions prior to V2302.0016)
Siemens Tecnomatix Plant Simulation V2404 (all versions prior to V2404.0005)

Discovery Timeline

2024-10-08 - CVE-2024-45471 published to the National Vulnerability Database (NVD)
2026-06-17 - Last updated in the NVD database

Technical Details for CVE-2024-45471

Vulnerability Analysis

The vulnerability resides in the WRL file parsing logic used by Teamcenter Visualization and Tecnomatix Plant Simulation. WRL is a text-based Virtual Reality Modeling Language format that describes 3D scenes, geometry, and material properties. When the affected applications process a malformed WRL file, the parser writes data past the bounds of an allocated buffer.

Out-of-bounds writes [CWE-787] corrupt adjacent memory regions. An attacker can craft input that overwrites function pointers, virtual table entries, or heap metadata. Controlled corruption enables hijacking of the program's execution flow, leading to arbitrary code execution within the process context.

Exploitation requires user interaction. The victim must open a malicious WRL file inside the vulnerable application. This constraint makes the flaw well-suited to targeted attacks against engineers, designers, or plant simulation operators who routinely exchange 3D model files with external parties.

Root Cause

The root cause is missing or inadequate bounds validation during deserialization of WRL scene structures. The parser trusts length or index fields inside the file without verifying them against the destination buffer size, allowing attacker-controlled data to be written outside the intended memory region.

Attack Vector

The attack vector is local and requires user interaction. An attacker delivers a crafted WRL file through email, a shared network location, a downloaded model library, or a compromised supplier. When the victim opens the file with a vulnerable version of Teamcenter Visualization or Tecnomatix Plant Simulation, the parser triggers the out-of-bounds write and the attacker payload executes with the privileges of the current user.

No verified public proof-of-concept is available. Refer to the Siemens Security Advisory SSA-583523 and Siemens Security Advisory SSA-645131 for vendor-supplied technical detail.

Detection Methods for CVE-2024-45471

Indicators of Compromise

Unexpected WRL files arriving from external sources or appearing in engineering shared drives.
Crashes, exceptions, or abnormal terminations of TcVis.exe or PlantSimulation processes shortly after opening a 3D model.
Child processes such as cmd.exe, powershell.exe, or rundll32.exe spawned from Teamcenter Visualization or Tecnomatix Plant Simulation.
Outbound network connections initiated by the visualization or simulation process to unrecognized hosts.

Detection Strategies

Monitor process lineage on engineering workstations for child processes spawned by Siemens visualization or simulation binaries.
Alert on file-write events that place .wrl files into user document directories from browsers or email clients.
Enable Windows Error Reporting and crash telemetry collection to identify parser faults consistent with memory corruption.

Monitoring Recommendations

Ingest endpoint telemetry from engineering workstations into a centralized data lake or SIEM for correlation across the fleet.
Track version inventory of Teamcenter Visualization and Tecnomatix Plant Simulation to identify hosts still running vulnerable builds.
Review mail gateway and file-share logs for .wrl attachments originating outside the organization.

How to Mitigate CVE-2024-45471

Immediate Actions Required

Upgrade Teamcenter Visualization to V14.2.0.14, V14.3.0.12, or V2312.0008 or later, matching the installed release line.
Upgrade Tecnomatix Plant Simulation V2302 to V2302.0016 and V2404 to V2404.0005 or later.
Instruct users to avoid opening WRL files received from untrusted or unverified sources until patches are deployed.

Patch Information

Siemens has published fixed versions for each affected release line. Refer to Siemens Security Advisory SSA-583523 for the Teamcenter Visualization fixes and Siemens Security Advisory SSA-645131 for the Tecnomatix Plant Simulation fixes. Apply the patches through standard Siemens software distribution channels.

Workarounds

Restrict WRL file exchange to trusted internal repositories with content review.
Enforce application allow-listing so that only sanctioned versions of Teamcenter Visualization and Tecnomatix Plant Simulation run on engineering hosts.
Segment engineering workstations from general corporate networks to limit lateral movement following user-level compromise.
Run the affected applications under standard user accounts rather than administrative accounts to reduce blast radius.

bash

# Configuration example
# Verify installed Teamcenter Visualization version on Windows
reg query "HKLM\SOFTWARE\Siemens\Teamcenter Visualization" /v Version

# Block inbound .wrl attachments at the mail gateway (example rule syntax)
# attachment.extension == "wrl" AND sender.domain NOT IN trusted_partners -> quarantine