CVE-2015-6538

CVE-2015-6538 is a critical-severity vulnerability in Ephiphanyheathdata Cardio Server with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The login page in Epiphany Cardio Server 3.3, 4.0, and 4.1 mishandles authentication requests, which allows remote attackers to conduct LDAP injection attacks, and consequently bypass intended access restrictions, via a crafted URL.

Frequently asked questions

What is CVE-2015-6538?
The login page in Epiphany Cardio Server 3.3, 4.0, and 4.1 mishandles authentication requests, which allows remote attackers to conduct LDAP injection attacks, and consequently bypass intended access restrictions, via a crafted URL.
How severe is CVE-2015-6538?
CVE-2015-6538 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-6538 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-2015-6538?
CVE-2015-6538 primarily affects Ephiphanyheathdata Cardio Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6538?
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-2015-6538 published?
CVE-2015-6538 was published on 2015-12-27 and last updated on 2026-06-17.

References

Affected products (3)