A Stack-based Buffer Overflow issue was discovered in WECON LEVI Studio HMI Editor v1.8.1 and prior. Multiple stack-based buffer overflow vulnerabilities have been identified in which the application does not verify string size before copying to memory; the attacker may then be able to crash the application or run arbitrary code.
Conclusion & alert: CVE-2017-13999 is rated High Risk (70.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.77%). Core evidence: EPSS rose +1.54% 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 | 1.24% | 2.77% | +1.54% |
| 2 | 2025-03-30 | 1.83% | 1.24% | -0.60% |
| 3 | 2025-03-29 | — | 1.83% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| we-con | levi_studio_hmi_editor | <= 1.8.1 | cpe:2.3:a:we-con:levi_studio_hmi_editor:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/101250 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/102493 | |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-285-02 | Third Party Advisory US Government Resource |