CVE-2024-12903

Incorrect default permissions in Biamp Evoko Home

Published Dec 23, 2024 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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).

Remediation

Vendor Workaround

Temporary mitigation measures until the new version is released is to use Ubuntu instead of Windows.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-51183 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).
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
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).
Title Incorrect default permissions in Biamp Evoko Home
Weaknesses CWE-276
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
Dec 24, 2024, 1:59 AM
Reserved
Dec 23, 2024, 11:33 AM
Status
Deferred
Published
Dec 23, 2024, 1:15 PM
Modified
Jun 17, 2026, 7:00 AM