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Vulnerability record · CVE-2025-20730 · published 4 November 2025

CVE-2025-20730: Linuxfoundation yocto improper authentication vulnerability

Linuxfoundation · Yocto

In preloader, there is a possible escalation of privilege due to an insecure default value. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10068463; Issue ID: MSV-4141.

6.7 CVSS 3.1 Medium EPSS 0.08% · top 99.9% CWE-287 · Improper authentication
6.7CVSS 3.1 base score
0.08%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

In preloader, there is a possible escalation of privilege due to an insecure default value. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10068463; Issue ID: MSV-4141.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://corp.mediatek.com/product-security-bulletin/November-2025 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-20730), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.