CVE-2024-45466: Siemens Tecnomatix Plant Simulation RCE Flaw

CVE-2024-45466 Overview

CVE-2024-45466 is an out-of-bounds read vulnerability affecting Siemens Teamcenter Visualization and Tecnomatix Plant Simulation. The flaw resides in the WRL (VRML) file parser, which reads past the end of an allocated structure when processing a specially crafted file. An attacker who convinces a user to open a malicious WRL file can execute code in the context of the current process. The weakness is classified as [CWE-125] Out-of-Bounds Read. Siemens documented the issue in advisories SSA-583523 and SSA-645131.

Critical Impact
Successful exploitation allows arbitrary code execution in the context of the affected engineering workstation, potentially enabling access to sensitive product design data and industrial simulation environments.

Affected Products

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

Discovery Timeline

2024-10-08 - CVE-2024-45466 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-45466

Vulnerability Analysis

The vulnerability affects the WRL file parser embedded in Teamcenter Visualization and Tecnomatix Plant Simulation. WRL is the file extension for Virtual Reality Modeling Language (VRML) scene descriptions used by 3D visualization tooling. When the parser processes a malformed WRL file, it reads memory past the end of an allocated structure. This out-of-bounds read exposes adjacent process memory and can corrupt program state used for subsequent operations. Attackers who control the file contents can influence the values consumed after the boundary, steering execution flow toward attacker-controlled data.

Exploitation requires local access and user interaction. A victim must open the crafted WRL file inside a vulnerable application. The impact spans confidentiality, integrity, and availability, since arbitrary code execution inside the process grants the attacker the same privileges as the operating user.

Root Cause

The root cause is missing or incorrect bounds validation in the WRL parsing routines. The parser trusts length or offset fields embedded in the file without verifying that dereferenced positions remain inside the allocated buffer. Structured field parsing continues past the end of the structure, producing an out-of-bounds read consistent with [CWE-125].

Attack Vector

The attack path relies on social engineering. An attacker delivers a malicious WRL file through email, shared drives, engineering data exchanges, or supplier collaboration portals. When the victim opens the file with an unpatched Teamcenter Visualization or Tecnomatix Plant Simulation client, the parser triggers the out-of-bounds read, enabling code execution. No network exposure of the application is required.

No verified public exploit code or proof-of-concept is available. Technical details of the parsing defect are described in the Siemens advisories linked above.

Detection Methods for CVE-2024-45466

Indicators of Compromise

Unexpected crashes or abnormal termination of TcVis.exe or Tecnomatix Plant Simulation processes shortly after opening a WRL file
WRL files arriving from untrusted external sources, especially through email attachments or supplier file exchanges
Child processes such as cmd.exe, powershell.exe, or script hosts spawned by Teamcenter Visualization or Plant Simulation
Outbound network connections initiated by the visualization process to unfamiliar destinations following file open events

Detection Strategies

Monitor process ancestry for engineering workstation applications launching interpreters, shells, or LOLBins
Alert on Windows Error Reporting or crash dumps generated by Teamcenter Visualization and Plant Simulation binaries
Inspect endpoint telemetry for file access events involving .wrl files sourced from download folders, email clients, or removable media

Monitoring Recommendations

Track installed versions of Teamcenter Visualization and Tecnomatix Plant Simulation across engineering endpoints to identify unpatched hosts
Correlate user file-open activity on WRL files with subsequent process, module load, and network events
Forward endpoint telemetry to a centralized data lake to enable retroactive threat hunting when new indicators emerge

How to Mitigate CVE-2024-45466

Immediate Actions Required

Upgrade Teamcenter Visualization to V14.2.0.14, V14.3.0.12, or V2312.0008 or later as applicable
Upgrade Tecnomatix Plant Simulation to V2302.0016 or V2404.0005 or later
Instruct engineering users to open only WRL files received from trusted internal sources
Restrict local administrator rights on engineering workstations to limit the impact of code execution in the user context

Patch Information

Siemens has released fixed versions for all affected products. Detailed fixed-version guidance is published in Siemens Security Advisory SSA-583523 and Siemens Security Advisory SSA-645131. Apply the vendor-supplied installers through the standard Siemens deployment process and validate versions after upgrade.

Workarounds

Avoid opening WRL files from untrusted or unverified sources until patches are applied
Apply application allowlisting and file-origin controls to block WRL files received from external email or web sources
Segment engineering workstations from general-purpose corporate networks to limit lateral movement following exploitation

bash

# Configuration example
# Verify installed Teamcenter Visualization version on Windows
wmic product where "Name like 'Teamcenter Visualization%'" get Name,Version

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