How severe is CVE-2015-4304?

CVE-2015-4304 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2015-4304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4304?

CVE-2015-4304 primarily affects Cisco Prime Collaboration Assurance. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4304?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-4304 published?

CVE-2015-4304 was published on 2015-09-20 and last updated on 2026-06-17.

CVE-2015-4304

CVE-2015-4304 is a critical-severity vulnerability in Cisco Prime Collaboration Assurance with a CVSS 2.0 base score of 9.0. 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-264.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Cisco Prime Collaboration Assurance
Published: 2015-09-20
Last modified: 2026-06-17

Description

The web framework in Cisco Prime Collaboration Assurance before 10.5.1.53684-1 allows remote authenticated users to bypass intended access restrictions, and create administrative accounts or read data from arbitrary tenant domains, via a crafted URL, aka Bug IDs CSCus62671 and CSCus62652.

Frequently asked questions

What is CVE-2015-4304?: The web framework in Cisco Prime Collaboration Assurance before 10.5.1.53684-1 allows remote authenticated users to bypass intended access restrictions, and create administrative accounts or read data from arbitrary tenant domains, via a crafted URL, aka Bug IDs CSCus62671 and CSCus62652.
How severe is CVE-2015-4304?: CVE-2015-4304 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2015-4304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4304?: CVE-2015-4304 primarily affects Cisco Prime Collaboration Assurance. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-4304 published?: CVE-2015-4304 was published on 2015-09-20 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:cisco:prime_collaboration_assurance:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_collaboration_assurance:9.5.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_collaboration_assurance:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_collaboration_assurance:10.5.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_collaboration_assurance:10.5.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_collaboration_assurance:10.6.0:*:*:*:*:*:*:*

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