CVE-2024-53242: Siemens Teamcenter Visualization RCE Flaw

CVE-2024-53242 Overview

CVE-2024-53242 is an out-of-bounds read vulnerability [CWE-125] affecting Siemens Teamcenter Visualization and Tecnomatix Plant Simulation. The flaw exists in the WRL file parser, which reads past the end of an allocated structure when processing specially crafted VRML (Virtual Reality Modeling Language) files. An attacker who convinces a user to open a malicious WRL file can execute arbitrary code in the context of the current process. The vulnerability was reported through the Zero Day Initiative (ZDI-CAN-25206) and requires user interaction to trigger. Siemens published advisories SSA-583523 and SSA-645131 to address the issue across multiple affected product lines.

Critical Impact
Successful exploitation allows local code execution in the context of the current user, compromising confidentiality, integrity, and availability of the affected engineering workstation.

Affected Products

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

Discovery Timeline

2024-12-10 - CVE-2024-53242 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-53242

Vulnerability Analysis

The vulnerability resides in the WRL file parsing routines used by Teamcenter Visualization and Tecnomatix Plant Simulation. WRL files describe 3D scenes in VRML format and are commonly consumed by engineering and simulation software. The parser reads data past the end of an allocated structure when processing malformed input, resulting in an out-of-bounds read [CWE-125]. This condition can leak adjacent memory contents or corrupt program state used in subsequent operations. Depending on process memory layout, an attacker can leverage the primitive to achieve arbitrary code execution in the context of the user running the application.

Root Cause

The root cause is missing or insufficient bounds validation during deserialization of WRL/VRML structures. The parser trusts length or offset fields embedded in the file without verifying them against the size of the allocated buffer. When a crafted file supplies inconsistent metadata, the parser reads memory outside the intended object boundary.

Attack Vector

Exploitation requires local access and user interaction. An attacker delivers a malicious .wrl file through email, shared network storage, or a compromised model repository. When an engineer opens the file in a vulnerable Teamcenter Visualization or Tecnomatix Plant Simulation instance, the parser triggers the out-of-bounds read and executes attacker-controlled code with the privileges of the current user.

No public proof-of-concept code is available. Technical specifics beyond the vendor advisory have not been released. Refer to the Siemens Security Advisory SSA-583523 and Siemens Security Advisory SSA-645131 for authoritative details.

Detection Methods for CVE-2024-53242

Indicators of Compromise

Unexpected child processes spawned by TcVis.exe, PlantSimulation.exe, or related Teamcenter Visualization and Tecnomatix binaries following the opening of a WRL file.
Crash dumps or Windows Error Reporting entries referencing access violations in WRL/VRML parsing modules.
WRL files received from untrusted sources or staged in user-writable directories immediately before an application crash.

Detection Strategies

Monitor process lineage where Siemens engineering applications spawn interpreters, shells, or LOLBins such as cmd.exe, powershell.exe, or rundll32.exe.
Alert on file-open telemetry involving .wrl extensions originating from email attachments, browser downloads, or removable media.
Correlate application crashes in engineering software with subsequent network beaconing or persistence activity on the same host.

Monitoring Recommendations

Enable EDR process, file, and module-load telemetry on engineering workstations running Teamcenter Visualization and Tecnomatix Plant Simulation.
Track version inventory of Siemens PLM software across the fleet to identify hosts still running vulnerable builds.
Capture and retain crash artifacts from Siemens applications for forensic review and correlation with threat intelligence.

How to Mitigate CVE-2024-53242

Immediate Actions Required

Apply the fixed versions published by Siemens: Teamcenter Visualization V14.2.0.14, V14.3.0.12, or V2312.0008, and Tecnomatix Plant Simulation V2302.0016 or V2404.0005.
Restrict opening of WRL files to trusted sources only and block untrusted .wrl attachments at the email gateway.
Enforce least-privilege on engineering workstations so that a compromised process cannot escalate beyond the current user context.

Patch Information

Siemens has released patched builds addressed in advisories SSA-583523 and SSA-645131. Upgrade Teamcenter Visualization V14.2 to V14.2.0.14 or later, V14.3 to V14.3.0.12 or later, and V2312 to V2312.0008 or later. Upgrade Tecnomatix Plant Simulation V2302 to V2302.0016 or later and V2404 to V2404.0005 or later.

Workarounds

Do not open WRL files from untrusted or unverified sources until patches are applied.
Segment engineering workstations from general-purpose corporate networks to limit lateral movement following exploitation.
Apply application allowlisting to prevent unauthorized child processes from being launched by Siemens PLM applications.

bash

# Example: block inbound .wrl attachments at a mail transport rule (pseudocode)
if attachment.extension == ".wrl" and sender.domain not in trusted_partners:
    quarantine(message)
    notify(security_operations)