eWON devices with firmware before 10.1s0 do not trigger the discarding of browser session data in response to a log-off action, which makes it easier for remote attackers to obtain access by leveraging an unattended workstation.
Conclusion & alert: CVE-2015-7924 is rated Moderate Risk (62.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.05%). 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 | 1.93% | 2.05% | +0.13% |
| 2 | 2026-03-31 | 3.04% | 1.93% | -1.11% |
| 3 | 2025-03-30 | — | 3.04% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
: <a href="https://cwe.mitre.org/data/definitions/613.html">CWE-613: Insufficient Session Expiration</a>
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ewon | ewon_firmware | <= 10.0s0 | cpe:2.3:o:ewon:ewon_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://ewon.biz/support/news/support/ewon-security-enhancement-7529-01 | Vendor Advisory |
| http://seclists.org/fulldisclosure/2015/Dec/118 | |
| http://www.securityfocus.com/bid/79625 | |
| https://ics-cert.us-cert.gov/advisories/ICSA-15-351-03 | Third Party Advisory US Government Resource |