CVE-2015-6478

Unitronics VisiLogic OPLC IDE before 9.8.02 does not properly restrict access to ActiveX controls, which allows remote attackers to have an unspecified impact via a crafted web site.

Published: 2015-11-13 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-6478 is rated Moderate Risk (54.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.64%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2015-6478

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 2026-02-19 2.60% 1.64% -0.96%
2 2025-03-30 2.83% 2.60% -0.24%
3 2025-03-29 2.83%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6478

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2015-6478

Affected software / configurations for CVE-2015-6478

Vendor Product Version Raw CPE
unitronics visilogic_oplc_ide <= 9.8.0.0 cpe:2.3:a:unitronics:visilogic_oplc_ide:*:*:*:*:*:*:*:*

References for CVE-2015-6478

cvelogic Threat Intelligence