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CVE-2015-4304

23
FAUCET Score

CVE-2015-4304 describes a critical access restriction bypass vulnerability in the web framework of Cisco Prime Collaboration Assurance versions prior to 10.5.1.53684-1. This flaw, with a CVSS score of 9.0, allows remote authenticated attackers to create administrative accounts or access sensitive data across tenant domains by crafting specific URLs. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high severity indicates a significant risk if exploited.

Impacted Technologies

VendorProductVersion(s)CPE
9.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:prime_collaboration_assurance:9.0.0:*:*:*:*:*:*:*
9.5.0CPE matchmatch criteria
cpe:2.3:a:cisco:prime_collaboration_assurance:9.5.0:*:*:*:*:*:*:*
10.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:prime_collaboration_assurance:10.0.0:*:*:*:*:*:*:*
10.5.0CPE matchmatch criteria
cpe:2.3:a:cisco:prime_collaboration_assurance:10.5.0:*:*:*:*:*:*:*
10.5.1CPE matchmatch criteria
cpe:2.3:a:cisco:prime_collaboration_assurance:10.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.0HIGH

AV:N/AC:L/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.64%
Probability of exploitation in next 30 days
EPSS Percentile
84.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0264 is in the 82nd percentile among its peer group of 17,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20150916-pca
Vendor Advisory
securitytracker.com / id/1033581
Third Party AdvisoryVDB Entry