CVE-2025-1001

Medixant RadiAnt DICOM Viewer Improper Certificate Validation

Published Feb 21, 2025 CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
Medixant RadiAnt DICOM Viewer is vulnerable due to failure of the update mechanism to verify the update server's certificate which could allow an attacker to alter network traffic and carry out a machine-in-the-middle attack (MITM). An attacker could modify the server's response and deliver a malicious update to the user.

Remediation

Vendor Solution

Medixant recommends users download the v2025.1 or later version https://www.radiantviewer.com/files/RadiAnt-2025.1-Setup.exe  of their software.


Vendor Workaround

If users are unable to update to the new version, Medixant recommends the following: * Disable the display of available updates via this command reg add "HKCU\Software\RadiAnt Viewer" /t REG_DWORD /v CheckUpdate /d 0 /f. * Do not check manually for updates ("Check for updates now" from the toolbar menu). * Ignore any update notifications coming from RadiAnt DICOM Viewer, download the latest version directly in the web browser from https://www.radiantviewer.com https://www.radiantviewer.com/ . * Check the downloaded RadiAnt DICOM Viewer installation package with antivirus software before running it.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-4555 Medixant RadiAnt DICOM Viewer is vulnerable due to failure of the update mechanism to verify the update server's certificate which could allow an attacker to alter network traffic and carry out a machine-in-the-middle attack (MITM). An attacker could modify the server's response and deliver a malicious update to the user.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Medixant RadiAnt DICOM Viewer is vulnerable due to failure of the update mechanism to verify the update server's certificate which could allow an attacker to alter network traffic and carry out a machine-in-the-middle attack (MITM). An attacker could modify the server's response and deliver a malicious update to the user.
Title Medixant RadiAnt DICOM Viewer Improper Certificate Validation
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 5.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Feb 21, 2025, 9:28 PM
Reserved
Feb 3, 2025, 6:33 PM
Status
Deferred
Published
Feb 21, 2025, 1:15 AM
Modified
Jun 17, 2026, 8:38 AM