CVE-2015-4219

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.

Published: 2015-06-24 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2015-4219

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4219

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2015-4219

Affected software / configurations for CVE-2015-4219

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:*:*:*:*:*:*:*

References for CVE-2015-4219

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
cvelogic Threat Intelligence