CA API Developer Portal 3.5 up to and including 3.5 CR6 has a reflected cross-site scripting vulnerability related to the widgetID variable.
Conclusion & alert: CVE-2018-6587 is rated Moderate Risk (44.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.92%). 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 | 0.23% | 0.92% | +0.68% |
| 2 | 2026-01-28 | 0.45% | 0.23% | -0.21% |
| 3 | 2025-11-21 | — | 0.45% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ca | api_developer_portal | 3.5 | cpe:2.3:a:ca:api_developer_portal:3.5:*:*:*:*:*:*:* |
| ca | api_developer_portal | 3.5 | cpe:2.3:a:ca:api_developer_portal:3.5:cr1:*:*:*:*:*:* |
| ca | api_developer_portal | 3.5 | cpe:2.3:a:ca:api_developer_portal:3.5:cr2:*:*:*:*:*:* |
| ca | api_developer_portal | 3.5 | cpe:2.3:a:ca:api_developer_portal:3.5:cr3:*:*:*:*:*:* |
| ca | api_developer_portal | 3.5 | cpe:2.3:a:ca:api_developer_portal:3.5:cr4:*:*:*:*:*:* |
| ca | api_developer_portal | 3.5 | cpe:2.3:a:ca:api_developer_portal:3.5:cr5:*:*:*:*:*:* |
| ca | api_developer_portal | 3.5 | cpe:2.3:a:ca:api_developer_portal:3.5:cr6:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1040603 | Third Party Advisory VDB Entry |
| https://support.ca.com/us/product-content/recommended-reading/security-notices/ca20180328-01--security-notice-for-ca-api-developer-portal.html | Patch Vendor Advisory |