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CVE-2025-0896

Orthanc-server Orthanc authentication bypass

9.8 CRITICALEPSS 2.48%
  1. Published13 Feb 2025

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Orthanc-server Orthanc< 1.5.8

Remediation

Fixed in
Orthanc-server Orthanc≥ 1.5.8

References

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Frequently asked

Is CVE-2025-0896 being actively exploited?

CVE-2025-0896 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.48%.

How severe is CVE-2025-0896?

CVE-2025-0896 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.48% probability of exploitation.

Which products are affected by CVE-2025-0896?

Affected products include Orthanc-server Orthanc.

How do I fix CVE-2025-0896?

Upgrade affected software to a fixed version, for example Orthanc-server Orthanc 1.5.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-0896 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.