https50.ocx in IP*Works! SSL in the server in Unitronics UniOPC before 2.0.0 does not properly implement an unspecified function, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted web site.
Conclusion & alert: CVE-2011-5086 is rated Moderate Risk (52.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.93%). 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 | 2025-03-30 | 1.12% | 0.93% | -0.19% |
| 2 | 2025-03-29 | 0.93% | 1.12% | +0.19% |
| 3 | 2025-03-17 | — | 0.93% | — |
Full EPSS history (10 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 |
|---|---|---|---|
| nsoftware | unitronics_uniopc | <= 1.3.8 | cpe:2.3:a:nsoftware:unitronics_uniopc:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.us-cert.gov/control_systems/pdf/ICSA-11-279-03A.pdf | US Government Resource |