CVE-2025-0896: Orthanc Server Missing Authentication for Critical Function

Q: What is the severity of CVE-2025-0896?

The severity of CVE-2025-0896 is classified as high due to the potential for unauthorized access to the Orthanc server.

Q: How do I fix CVE-2025-0896?

To fix CVE-2025-0896, upgrade to Orthanc Server version 1.5.8 or later, which enables basic authentication by default.

Q: What are the risks associated with CVE-2025-0896?

The risks associated with CVE-2025-0896 include unauthorized access to sensitive data and potential exploitation by attackers.

Q: Who is affected by CVE-2025-0896?

Users of Orthanc Server versions prior to 1.5.8 that have remote access enabled are affected by CVE-2025-0896.

Q: Is there a workaround for CVE-2025-0896?

A temporary workaround for CVE-2025-0896 is to manually enable basic authentication in the server settings until an upgrade is performed.

Published Feb 13, 2025

Updated

Orthanc server prior to version 1.5.8 does not enable basic authentication by default when remote access is enabled. This could result in unauthorized access by an attacker.

Affected Software

2 affected components

Orthanc Orthanc Server<1.5.8

Orthanc-server Orthanc<1.5.8

Remediation

Information

Orthanc recommends that users update to the latest version https://www.orthanc-server.com/download.php or enable the HTTP authentication by setting the configuration "AuthenticationEnabled": true in the configuration file.

Event History

Feb 13, 2025

CVE Published

via MITRE·01:02 AM

Data Sourced

via MITRE·01:02 AM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·02:15 AM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2025-0896?

The severity of CVE-2025-0896 is classified as high due to the potential for unauthorized access to the Orthanc server.

How do I fix CVE-2025-0896?