Cisco Secure Access Control System before 5.4(0.46.2) and 5.5 before 5.5(0.46) and Cisco Identity Services Engine 1.0(4.573) do not properly implement access control for support bundles, which allows remote authenticated users to obtain sensitive information via brute-force attempts to send valid credentials, aka Bug IDs CSCue00833 and CSCub40331.
Conclusion & alert: CVE-2015-4219 is rated Moderate Risk (45.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.06%). Core evidence: EPSS rose +1.68% over the last day, indicating growing attacker interest. 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 | 0.39% | 2.06% | +1.68% |
| 2 | 2025-03-30 | 0.31% | 0.39% | +0.07% |
| 3 | 2025-03-29 | — | 0.31% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | identity_services_engine_software | 1.0.4.573 | cpe:2.3:a:cisco:identity_services_engine_software:1.0.4.573:*:*:*:*:*:*:* |
| cisco | secure_access_control_system | <= 5.4.0.46.1 | cpe:2.3:a:cisco:secure_access_control_system:*:*:*:*:*:*:*:* |
| cisco | secure_access_control_system | 5.3.0.40.5 | cpe:2.3:a:cisco:secure_access_control_system:5.3.0.40.5:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://tools.cisco.com/security/center/viewAlert.x?alertId=39501 | Vendor Advisory |
| http://www.securityfocus.com/bid/75379 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1032713 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1032714 | Third Party Advisory VDB Entry |