Entrust Entelligence Security Provider (ESP) 8 does not properly validate certificates in certain circumstances involving (1) a chain that omits the root Certification Authority (CA) certificate, or an application that specifies disregarding (2) unknown revocation statuses during path validation or (3) certain errors in the certification path, which might allow context-dependent attackers to spoof certificate authentication. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Conclusion & alert: CVE-2007-4594 is rated Moderate Risk (41.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.63%). 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 | 0.15% | 0.63% | +0.48% |
| 2 | 2025-09-23 | 0.14% | 0.15% | +0.01% |
| 3 | 2025-03-30 | — | 0.14% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| entrust | entelligence_security_provider | 8 | cpe:2.3:a:entrust:entelligence_security_provider:8:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/26630 | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/25471 | Patch |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/36331 |