# CVE-2025-64642: NMIS/BioDose V22.02 and previous versions' installation directory paths by default have insecure file permissions…

Source: https://junglewise.ai/threats/cve-2025-64642-nmis-biodose-v22-02-and-previous-versions-installation-directory  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-02  
License: CC BY 4.0 with a link back

CVE-2025-64642 · Severity: high · CVSS 8 · Published 2025-12-02

NMIS/BioDose V22.02 and previous versions' installation directory paths by default have insecure file permissions, which in certain deployment scenarios can enable users on client workstations to modify the program executables and libraries.

Technologies: [Mirion Biodose\](https://junglewise.ai/threats/technologies/biodose), [Mirion Nmis](https://junglewise.ai/threats/technologies/nmis). Vendors: [Mirion](https://junglewise.ai/threats/vendors/mirion).

## Quick answers

**Is CVE-2025-64642 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-64642 being exploited in the wild.

**How severe is CVE-2025-64642?** High severity, with a CVSS score of 8, published 2 December 2025.

**Which products and versions are affected?** Mirion Biodose\, Mirion Nmis. The advisory does not name versions.

**Is there a fix for CVE-2025-64642?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-64642?** Check whether you run Mirion Biodose\ or Mirion Nmis. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Mirion Biodose\
- Mirion Nmis

## Related threats

- [NMIS/BioDose software V22.02 and previous versions contain executable binaries with plain text hard-coded passwords…](https://junglewise.ai/threats/cve-2025-64778-nmis-biodose-software-v22-02-and-previous-versions-contain)
- [NMIS/BioDose V22.02 and previous version installations where the embedded Microsoft SQLServer Express is used are…](https://junglewise.ai/threats/cve-2025-64298-nmis-biodose-v22-02-and-previous-version-installations-where-the)
- [NMIS/BioDose V22.02 and previous versions rely on a Microsoft SQL Server database. The SQL user account 'nmdbuser' and…](https://junglewise.ai/threats/cve-2025-62575-nmis-biodose-v22-02-and-previous-versions-rely-on-a-microsoft-sql)
- [NMIS/BioDose V22.02 and previous versions rely on a common SQL Server user account to access data in the database…](https://junglewise.ai/threats/cve-2025-61940-nmis-biodose-v22-02-and-previous-versions-rely-on-a-common-sql)