CVE-2025-0896

Orthanc Server Missing Authentication for Critical Function

Published Feb 13, 2025 CVSS 4.0 · 9.2 Critical EPSS 2.5% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-1914 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.
History
Type Values Removed Values Added
First Time appeared Orthanc-server
Orthanc-server orthanc
CPEs cpe:2.3:a:orthanc-server:orthanc:*:*:*:*:*:*:*:*
Vendors & Products Orthanc-server
Orthanc-server orthanc
Type Values Removed Values Added
Metrics epss

{'score': 0.00082}

epss

{'score': 0.00091}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Orthanc Server Missing Authentication for Critical Function
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Feb 13, 2025, 4:44 PM
Reserved
Jan 30, 2025, 6:57 PM
Status
Analyzed
Published
Feb 13, 2025, 2:15 AM
Modified
Jun 17, 2026, 8:27 AM