Adobe Shockwave Player before 12.1.9.159 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2015-5120.
Conclusion & alert: CVE-2015-5121 is rated High Risk (74.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.99%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.18% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2025-12-05 | 2.81% | 5.99% | +3.18% |
| 2 | 2025-06-02 | 3.06% | 2.81% | -0.25% |
| 3 | 2025-04-12 | — | 3.06% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | shockwave_player | <= 12.1.8.158 | cpe:2.3:a:adobe:shockwave_player:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1032891 | Third Party Advisory VDB Entry |
| https://helpx.adobe.com/security/products/shockwave/apsb15-17.html | Patch Vendor Advisory |