CA API Developer Portal 4.3.1 and earlier contains an access control flaw that allows privileged users to perform a restricted user administration action.
Conclusion & alert: CVE-2020-11659 is rated Low Risk (37.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.92%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 0.18% | 0.92% | +0.74% |
| 2 | 2025-03-17 | 0.06% | 0.18% | +0.12% |
| 3 | 2023-03-07 | — | 0.06% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| broadcom | ca_api_developer_portal | <= 4.3.1 | cpe:2.3:a:broadcom:ca_api_developer_portal:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/157276/CA-API-Developer-Portal-4.2.x-4.3.1-Access-Bypass-Privilege-Escalation.html | Third Party Advisory |
| http://seclists.org/fulldisclosure/2020/Apr/24 | Mailing List Third Party Advisory |
| https://techdocs.broadcom.com/us/product-content/status/announcement-documents/2020/CA20200414-01-Securit-Notice-for-CA-API-Developer-Portal.html | Vendor Advisory |