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CVE-2015-6538

24
FAUCET Score

CVE-2015-6538 describes a critical LDAP injection vulnerability in Epiphany Cardio Server versions 3.3, 4.0, and 4.1. This flaw allows remote attackers to bypass authentication and access restrictions through a crafted URL on the login page. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.3CPE matchmatch criteria
cpe:2.3:a:ephiphanyheathdata:cardio_server:3.3:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:ephiphanyheathdata:cardio_server:4.0:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:ephiphanyheathdata:cardio_server:4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.88%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0187 is in the 66th percentile among its peer group of 36,835 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, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

kb.cert.org / vuls/id/630239
Third Party AdvisoryUS Government Resource
epiphanyhealthdata.com / blog/certresponse
Vendor Advisory