Substance3D - Modeler versions 1.15.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Conclusion & alert: CVE-2025-21170 is rated Low Risk (28.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-22 | 0.04% | 0.06% | +0.02% |
| 2 | 2026-04-20 | 0.05% | 0.04% | -0.01% |
| 3 | 2026-04-19 | — | 0.05% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | substance_3d_modeler | < 1.21.0 | cpe:2.3:a:adobe:substance_3d_modeler:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/substance3d-modeler/apsb25-21.html | Vendor Advisory |