CVE-2015-4206

Cisco Unified Communications Manager (UCM) 8.0 through 8.6 allows remote attackers to bypass an XSS protection mechanism via a crafted parameter, aka Bug ID CSCuu15266.

Published: 2015-12-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-4206 is rated Moderate Risk (44.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.86%). 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-2015-4206

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 0.91% 1.86% +0.95%
2 2025-07-02 0.85% 0.91% +0.06%
3 2025-03-30 — 0.85% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4206

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N 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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-4206

Affected software / configurations for CVE-2015-4206

Vendor Product Version Raw CPE
cisco unified_communications_manager 8.0\(2c\) cpe:2.3:a:cisco:unified_communications_manager:8.0\(2c\):*:*:*:*:*:*:*
cisco unified_communications_manager 8.0\(3\) cpe:2.3:a:cisco:unified_communications_manager:8.0\(3\):*:*:*:*:*:*:*
cisco unified_communications_manager 8.0_base cpe:2.3:a:cisco:unified_communications_manager:8.0_base:*:*:*:*:*:*:*
cisco unified_communications_manager 8.5.1 cpe:2.3:a:cisco:unified_communications_manager:8.5.1:*:*:*:*:*:*:*
cisco unified_communications_manager 8.5_base cpe:2.3:a:cisco:unified_communications_manager:8.5_base:*:*:*:*:*:*:*
cisco unified_communications_manager 8.6.1 cpe:2.3:a:cisco:unified_communications_manager:8.6.1:*:*:*:*:*:*:*
cisco unified_communications_manager 8.6.2 cpe:2.3:a:cisco:unified_communications_manager:8.6.2:*:*:*:*:*:*:*
cisco unified_communications_manager 8.6_base cpe:2.3:a:cisco:unified_communications_manager:8.6_base:*:*:*:*:*:*:*

References for CVE-2015-4206

cvelogic Threat Intelligence