CVE-2022-41186 in 3D Visual Enterprise Author
Summary
by MITRE • 10/12/2022
Due to lack of proper memory management, when a victim opens manipulated Computer Graphics Metafile (.cgm, CgmCore.dll) file received from untrusted sources in SAP 3D Visual Enterprise Viewer - version 9, a Remote Code Execution can be triggered when payload forces a stack-based overflow and or a re-use of dangling pointer which refers to overwritten space in memory.
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Analysis
by VulDB Data Team • 02/25/2026
The vulnerability identified as CVE-2022-41186 represents a critical security flaw within SAP 3D Visual Enterprise Viewer version 9, specifically affecting the handling of Computer Graphics Metafile (.cgm) files through the CgmCore.dll component. This issue stems from inadequate memory management practices that create exploitable conditions when processing malformed input files from untrusted sources. The vulnerability manifests when a victim opens a specially crafted .cgm file, triggering a chain of memory corruption events that can be leveraged by attackers to execute arbitrary code on the target system.
The technical exploitation of this vulnerability relies on stack-based buffer overflow conditions and dangling pointer reuse mechanisms that occur during the parsing of the malicious CGM file. When the vulnerable application processes the manipulated file, the insufficient bounds checking and improper memory deallocation lead to memory corruption that can be manipulated to overwrite critical memory locations. This memory corruption typically occurs in the context of the CgmCore.dll library, which handles the core processing of CGM files within the SAP 3D Visual Enterprise Viewer environment. The flaw allows attackers to control the execution flow of the application by overwriting return addresses or function pointers within the stack memory structure.
The operational impact of this vulnerability extends beyond simple remote code execution, as it can potentially enable full system compromise when attackers leverage the memory corruption to escalate privileges or establish persistent access. The vulnerability is particularly dangerous because it can be triggered through simple file opening actions, requiring no specialized knowledge of the underlying system architecture or network conditions. Attackers can deliver the malicious payload through social engineering techniques, phishing campaigns, or by compromising legitimate file distribution channels that the application might encounter in normal business operations.
Organizations utilizing SAP 3D Visual Enterprise Viewer version 9 face significant risk from this vulnerability, as it can be exploited without user interaction beyond opening a malicious file. The attack surface includes any environment where users might encounter CGM files from untrusted sources, including document sharing systems, email attachments, or web-based file repositories. Security professionals should note that this vulnerability aligns with CWE-121 Stack-based Buffer Overflow and CWE-416 Use After Free, both of which are classified under the Common Weakness Enumeration framework and represent well-documented attack vectors in the cybersecurity landscape. The ATT&CK framework categorizes this as a technique involving execution through fileless malware and memory corruption attacks, with potential lateral movement capabilities once initial access is achieved.
Mitigation strategies should include immediate patch deployment from SAP, as well as network-based restrictions on .cgm file processing and user education regarding file handling practices. Organizations should implement strict file validation policies, disable automatic opening of potentially malicious file types, and consider network segmentation to limit the potential impact of successful exploitation. Additionally, monitoring for suspicious file access patterns and implementing application whitelisting controls can provide additional defense layers against exploitation attempts. The vulnerability demonstrates the importance of proper memory management practices in application development and highlights the critical need for regular security assessments of third-party components used in enterprise environments.