This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PhantomPDF 9.7.1.29511. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of U3D objects embedded in a PDF. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-10463.
Conclusion & alert: CVE-2020-10903 is rated Moderate Risk (44.9/100): CVSS Low severity, with medium exploitation likelihood (EPSS 3.38%). Core evidence: EPSS rose +1.17% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
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 | 2026-06-15 | 2.21% | 3.38% | +1.17% |
| 2 | 2026-05-24 | 11.39% | 2.21% | -9.18% |
| 3 | 2025-05-10 | — | 11.39% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.3 | 3.1 | LOW |
|
1.8 | 1.4 | [email protected] |
| 3.3 | 3.0 | LOW |
|
1.8 | 1.4 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| foxitsoftware | phantompdf | <= 9.7.1.29511 | cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:* |
| foxitsoftware | reader | <= 9.7.1.29511 | cpe:2.3:a:foxitsoftware:reader:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bulletins.php | Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-20-531/ | Third Party Advisory VDB Entry |