What is the CVSS score of CVE-2024-12903?

CVE-2024-12903 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Evoko Home CVE-2024-12903

HIGH

Incorrect Default Permissions (CWE-276)

2024-12-23 cve-coordination@incibe.es

Privilege Escalation RCE

7.8

CVSS 3.1 · Vendor: incibe

Severity by source

Vendor (incibe) PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (incibe) · only source for this CVE.

CVSS VectorVendor: incibe

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 23, 2024 - 13:15 cve.org

HIGH 7.8

DescriptionCVE.org

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).

AnalysisAI

Incorrect default permissions vulnerability in Evoko Home, affecting version 2.4.2 to 2.7.4. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. 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). Version information: version 2.4.2.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.