Multiple stack-based buffer overflows in Ipropsapi in Panasonic Security API (PS-API) ActiveX SDK before 8.10.18 allow remote attackers to execute arbitrary code via a long string in the (1) FilePassword property or to the (2) GetStringInfo method.
Conclusion & alert: CVE-2015-4647 is rated Moderate Risk (60.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.64%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.38% 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 | 2026-06-15 | 4.26% | 5.64% | +1.38% |
| 2 | 2025-08-27 | 3.18% | 4.26% | +1.08% |
| 3 | 2025-03-30 | — | 3.18% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| panasonic | security_api_activex_sdk | <= 8.10.14 | cpe:2.3:a:panasonic:security_api_activex_sdk:*:*:*:*:*:*:*:* |