CVE-2025-54203

5.5 MEDIUM

📋 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

Products:
  • Adobe Substance3D Modeler
Versions: 1.22.0 and earlier
Operating Systems: Windows, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable by default when opening files.

📦 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.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

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

all

Only 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"))

🔗 References

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