How severe is CVE-2015-4206?

CVE-2015-4206 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-4206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4206?

CVE-2015-4206 primarily affects Cisco Unified Communications Manager. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4206?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-4206 published?

CVE-2015-4206 was published on 2015-12-15 and last updated on 2026-06-17.

CVE-2015-4206

CVE-2015-4206 is a medium-severity vulnerability in Cisco Unified Communications Manager with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Unified Communications Manager
Published: 2015-12-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2015-4206?: CVE-2015-4206 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-4206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4206?: CVE-2015-4206 primarily affects Cisco Unified Communications Manager. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4206?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4206 published?: CVE-2015-4206 was published on 2015-12-15 and last updated on 2026-06-17.

References

Affected products (8)

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

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