CVE-2025-54203
📋 TL;DR
Substance3D Modeler versions 1.22.0 and earlier contain an out-of-bounds read vulnerability that could allow attackers to read sensitive memory contents. This affects users who open malicious files with the vulnerable software. The vulnerability requires user interaction to exploit.
💻 Affected Systems
- Adobe Substance3D Modeler
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could read sensitive memory contents including passwords, encryption keys, or other application data, potentially leading to further system compromise.
Likely Case
Limited information disclosure from the application's memory space, potentially revealing some application data but not full system compromise.
If Mitigated
No impact if users don't open untrusted files or if the software is patched.
🎯 Exploit Status
Exploitation requires user interaction (opening a malicious file) and knowledge of memory layout.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.23.0 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d-modeler/apsb25-76.html
Restart Required: No
Instructions:
1. Open Substance3D Modeler. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 1.23.0 or later. 4. Verify installation by checking version in About dialog.
🔧 Temporary Workarounds
Restrict file opening
allOnly open files from trusted sources and avoid opening untrusted .sbsar or other Substance3D Modeler files.
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of older vulnerable versions
- Use network segmentation to isolate systems running vulnerable versions
🔍 How to Verify
Check if Vulnerable:
Open Substance3D Modeler, go to Help > About, and check if version is 1.22.0 or earlier.
Check Version:
Not applicable - check via application GUI
Verify Fix Applied:
Verify version is 1.23.0 or later in Help > About dialog.
📡 Detection & Monitoring
Log Indicators:
- Application crash logs, unexpected memory access errors in application logs
Network Indicators:
- File downloads of .sbsar or other Substance3D Modeler file formats from untrusted sources
SIEM Query:
source="application_logs" AND (process_name="Substance3D Modeler" AND (event_description CONTAINS "memory" OR event_description CONTAINS "access violation"))