CVE-2020-7083 in FBX-SDK
Summary
by MITRE
An intager overflow vulnerability in the Autodesk FBX-SDK versions 2019.0 and earlier may lead to denial of service of the application.
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Analysis
by VulDB Data Team • 05/06/2025
The vulnerability identified as CVE-2020-7083 represents a critical integer overflow flaw within the Autodesk FBX-SDK library versions 2019.0 and earlier. This issue manifests when processing malformed FBX files that contain specially crafted data structures designed to trigger arithmetic overflow conditions during memory allocation calculations. The FBX-SDK serves as a fundamental component for 3D content creation and exchange across various Autodesk products including Maya, 3ds Max, and Motion Builder, making this vulnerability particularly concerning for the broader creative industry ecosystem.
The technical nature of this vulnerability stems from inadequate input validation and bounds checking within the FBX file parsing routines. When the SDK encounters a malformed FBX file containing oversized or malformed data elements, the integer overflow occurs during calculations used to determine buffer sizes or memory allocation requirements. This overflow condition can result in negative or excessively large integer values that subsequently corrupt memory management structures or cause the application to attempt invalid memory operations. The vulnerability is classified under CWE-190 as an integer overflow or wraparound, which represents a well-documented class of memory safety issues that have historically led to various exploitation vectors including denial of service and potentially more severe remote code execution scenarios.
The operational impact of CVE-2020-7083 extends beyond simple denial of service conditions as it can effectively crash or freeze applications that utilize the affected FBX-SDK components. This disruption affects creative professionals and studios who rely on Autodesk products for 3D modeling, animation, and visual effects production workflows. The vulnerability is particularly dangerous in collaborative environments where team members share 3D assets through FBX files, as a single compromised file could bring down entire production pipelines. Additionally, the vulnerability affects not just end-user applications but also server-side processing systems that might automatically process FBX files for conversion or rendering purposes, creating potential denial of service scenarios for content delivery platforms and cloud-based 3D processing services.
Mitigation strategies for CVE-2020-7083 require immediate attention from organizations utilizing affected Autodesk products. The primary remediation involves upgrading to Autodesk FBX-SDK version 2020.0 or later, which includes proper integer overflow checks and enhanced input validation mechanisms. Organizations should also implement defensive measures such as file validation procedures that scan incoming FBX files for suspicious patterns before processing, particularly in automated workflows or content ingestion systems. Network-level protections can include filtering mechanisms that block FBX files from untrusted sources or implementing sandboxed environments for FBX file processing. From an ATT&CK framework perspective, this vulnerability aligns with techniques related to application misconfiguration and privilege escalation through file processing, making it particularly relevant for organizations implementing comprehensive threat hunting and incident response procedures. Security teams should also consider monitoring for unusual application crashes or memory allocation patterns that might indicate exploitation attempts, as the integer overflow could potentially be leveraged in more sophisticated attack scenarios if combined with other vulnerabilities in the broader application ecosystem.