CVE-2025-6974 in SOLIDWORKS eDrawings
Summary
by MITRE • 07/15/2025
Use of Uninitialized Variable vulnerability exists in the JT file reading procedure in SOLIDWORKS eDrawings on Release SOLIDWORKS Desktop 2025. This vulnerability could allow an attacker to execute arbitrary code while opening a specially crafted JT file.
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Analysis
by VulDB Data Team • 07/15/2025
The vulnerability CVE-2025-6974 represents a critical use of uninitialized variable flaw within SOLIDWORKS eDrawings software, specifically affecting the JT file reading procedure in the SOLIDWORKS Desktop 2025 release. This issue resides in the software's handling of three-dimensional CAD data files that are commonly used for product visualization and collaboration. The JT file format, developed by Siemens PLM Software, is widely adopted across engineering and manufacturing sectors for its efficient data compression and cross-platform compatibility. When a user opens a maliciously crafted JT file, the uninitialized variable within the eDrawings reader can lead to unpredictable behavior that adversaries may exploit to execute arbitrary code on the target system. The vulnerability stems from improper memory management during the file parsing process, where variables are not properly initialized before being used in critical operations.
The technical exploitation of this vulnerability occurs when the eDrawings application attempts to process a specially constructed JT file that triggers the uninitialized variable condition. According to CWE classification, this maps to CWE-457: Use of Uninitialized Variable, which is a fundamental programming error that can lead to memory corruption and potential code execution. The flaw manifests during the file reading procedure where the application fails to properly initialize memory variables before utilizing their values, creating a potential attack surface for malicious actors. The uninitialized variable could contain arbitrary data from previous memory operations, leading to unpredictable execution paths that attackers can manipulate. This vulnerability directly relates to the ATT&CK technique T1203: Exploitation for Client Execution, where adversaries leverage software vulnerabilities to execute malicious code on target systems through legitimate application interfaces.
The operational impact of CVE-2025-6974 extends significantly across industries that rely on SOLIDWORKS eDrawings for product design visualization and collaboration. Manufacturing companies, engineering firms, and automotive manufacturers that regularly exchange CAD data through JT files face potential compromise when opening untrusted files. The vulnerability can be exploited through social engineering tactics where attackers send malicious JT files as attachments or embedded in collaborative platforms. Successful exploitation could result in complete system compromise, allowing attackers to establish persistent access, escalate privileges, or deploy additional malware. Organizations using SOLIDWORKS eDrawings in their design workflows are particularly vulnerable since the software is often used in secure environments where users may not expect malicious file content. The vulnerability affects both Windows and Linux platforms where the software is deployed, making it a cross-platform threat that requires comprehensive mitigation strategies.
Mitigation strategies for CVE-2025-6974 should include immediate software updates from SOLIDWORKS to address the uninitialized variable issue through proper memory initialization procedures. Organizations should implement strict file validation protocols, particularly for JT files received from external sources or unknown origins. Network-based controls such as email filtering and web proxies can help prevent malicious JT files from reaching end users. The principle of least privilege should be enforced, ensuring that eDrawings applications run with minimal required permissions and that users cannot execute arbitrary code through file opening operations. Security awareness training should emphasize the risks of opening untrusted CAD files and the importance of verifying file sources before processing. Additionally, organizations should consider implementing application whitelisting solutions that restrict execution of unauthorized software, including maliciously crafted JT files that could exploit this vulnerability. Regular vulnerability assessments and penetration testing should be conducted to identify similar uninitialized variable issues in other software components, as this class of vulnerability is particularly common in complex CAD and visualization software environments.