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CVE-2026-41939 – Hard-coded Credentials leading to RCE – Care Everywhere Gateway 14.x

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Summary

CVE-2026-41939 is a critical hard-coded credentials vulnerability (CWE-1392) in Care Everywhere Gateway 14.3.10, a healthcare interoperability gateway product from Care Everywhere LLC. The flaw resides in the bundled WildFly 8.2.0.Final application server management interface, which ships with credentials that are identical across all product installations — enabling any unauthenticated remote attacker to log into the management console and achieve full remote code execution (RCE). The vulnerability carries a CVSS v3.1 score of 9.8 (Critical).

Technical details

  • Root cause: The WildFly 8.2.0.Final management interface bundled with Care Everywhere Gateway 14.3.10 stores hard-coded credentials in plaintext configuration files within the WildFly configuration directory. The password for the CEAdmin account is identical across all product installations, functioning as a universal credential that requires no prior knowledge or enumeration by an attacker.
  • Trigger conditions: The WildFly management console must be reachable on port 20990. No authentication, user interaction, or special network position is required beyond network access to this port.
  • Attack vector: A remote, unauthenticated attacker navigates to the WildFly management console at http://<host>:20990/console/App.html, authenticates using the known default credential (CEAdmin with a password recoverable from the shipped configuration), accesses the Deployments interface, and uploads a malicious Web Application Archive (WAR) file containing a JSP webshell or other payload.
  • Impact: Successful exploitation results in arbitrary code execution as the Windows machine account on the host running Care Everywhere Gateway — conferring full control over the system, its data, and potential lateral movement paths within the network.

Affected software

  • Care Everywhere Gateway 14.3.10
  • All Care Everywhere Gateway 14.x.x releases (the entire 14.x branch was declared end-of-life in 2017)

Severity

  • CVSS v3.1 Base Score: 9.8 — Critical
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVSS v4.0 Base Score: 9.3 — Critical
  • Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Mitigation and recommended actions

  • Upgrade immediately: The Care Everywhere Gateway 14.x.x branch is end-of-life and will not receive a backported patch. The vendor confirms that future post-14.x releases have addressed this vulnerability. Organizations running any 14.x installation should upgrade to a supported, post-14.x release.
  • Network isolation (if immediate upgrade is not possible): Restrict access to TCP port 20990 at the firewall or network perimeter level to prevent external and unauthorized internal access to the WildFly management console.
  • Disable the management interface: If the WildFly management interface on port 20990 is not operationally required, it should be disabled entirely in the WildFly configuration.
  • Credential rotation: Immediately change the CEAdmin management interface password on any exposed installation to a strong, unique credential while remediation steps are carried out.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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