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No exploitation reportedFix available

CVE-2025-0896

No exploitation reported by the sources we read.

  • Published2025-02-13
  • Fixed in1.5.8
  • WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-02-1302:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-0896?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-0896?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Orthanc-server orthanc
BranchAffectedFixed in
1.5< 1.5.81.5.8

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSMA-25-037-02 CISA1 known affected

    Orthanc Server

    Orthanc Orthanc server: <1.5.8

Full record on NVD

Fix

  1. Update Orthanc-server orthanc to 1.5.8
  2. Mitigation from the vendor CISA ICSMA-25-037-02 · 1 productOrthanc recommends that customers update to the latest version or enable the HTTP authentication by setting the configuration "AuthenticationEnabled": true in the configuration file.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2025-02-13
  • OpenCVESSVC decisionnone—
  • CNACVSS 4.09.2read 2026-10-23
  • CNACVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-306read 2026-10-23
  • FIRST EPSSEPSS score2.5 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-02-13
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2025-0896?

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.

Is CVE-2025-0896 actively exploited?

Active exploitation of CVE-2025-0896 has not been confirmed. Its EPSS score was 2.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-0896?

CVE-2025-0896 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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