CVE-2024-27907 in Simcenter Femap
Summary
by MITRE • 03/12/2024
A vulnerability has been identified in Simcenter Femap (All versions < V2306.0000). The affected application contains an out of bounds write past the end of an allocated buffer while parsing a specially crafted Catia MODEL file. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-22051)
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Analysis
by VulDB Data Team • 08/20/2025
This vulnerability exists within Siemens Simcenter Femap software version 2306.0000 and earlier, representing a critical out-of-bounds write condition that occurs during the parsing of specially crafted Catia MODEL files. The flaw stems from insufficient bounds checking within the application's file parsing routine, specifically when handling complex geometric data structures that are typically exchanged between CAD applications. When a maliciously constructed Catia file is processed by the vulnerable Femap version, the application attempts to write data beyond the allocated memory buffer boundaries, creating a condition that can be exploited to gain arbitrary code execution privileges. This vulnerability directly maps to CWE-787, which defines out-of-bounds write conditions as a fundamental memory safety issue that can lead to remote code execution when combined with proper exploitation techniques. The attack vector leverages file parsing functionality that is commonly used in engineering environments where CAD files are frequently exchanged between different design tools.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the ability to operate within the security context of the currently running Femap process. This means that any privileges the application possesses, including file system access and potential network capabilities, become available to the attacker. The vulnerability is particularly concerning in enterprise environments where engineering teams regularly exchange complex CAD models between different software platforms, making the attack surface significantly larger. The exploitation requires the victim to open or process a maliciously crafted Catia file, which typically occurs during normal workflow operations when engineers are working with design data. This makes the vulnerability particularly dangerous as it can be delivered through routine file sharing channels, including email attachments, shared network drives, or collaborative design platforms. The ZDI-CAN-22051 reference indicates this vulnerability has been catalogued by the Zero Day Initiative, suggesting it has been actively researched and potentially weaponized by threat actors.
Mitigation strategies for this vulnerability must address both immediate protection and long-term security posture improvements. The most effective immediate solution involves upgrading to Simcenter Femap version 2306.0000 or later, which contains the necessary patches to prevent the out-of-bounds write condition. Organizations should also implement file validation procedures that inspect incoming Catia files for suspicious patterns or structures that might indicate malicious intent. Network segmentation and privilege separation can help limit the potential impact if exploitation occurs, ensuring that even if an attacker successfully executes code, they cannot immediately escalate privileges or access critical systems. Security monitoring should include detection of unusual file processing activities and potential exploitation attempts. From an ATT&CK framework perspective, this vulnerability aligns with techniques such as T1059.007 for command and scripting interpreter and T1203 for Exploitation for Client Execution, as it enables attackers to execute arbitrary code through legitimate application interfaces. Additionally, the vulnerability demonstrates the importance of defensive programming practices and input validation, which are core principles in the NIST Cybersecurity Framework and align with the security controls recommended for protecting industrial control systems and engineering environments.