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CVE-2015-4306

22
FAUCET Score

CVE-2015-4306 describes a web framework vulnerability in Cisco Prime Collaboration Assurance before version 10.5.1.53684-1. This flaw allows remote authenticated users to bypass login-session read restrictions and impersonate administrators of other tenant domains by discovering a session identifier and crafting a specific URL. With a CVSS score of 8.5, this high-severity vulnerability has a network attack vector, medium attack complexity, and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

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

8.5HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.28%
Probability of exploitation in next 30 days
EPSS Percentile
81.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0228 is in the 77th percentile among its peer group of 1,162 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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