CVE-2026-20484
Received Received - Intake

Information Disclosure in TFA Due to Missing Permission Check

Vulnerability report for CVE-2026-20484, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: MediaTek, Inc.

Description

In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.

CVSS Scores

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mediatek tfa *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-201 The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.

Attack-Flow Graph

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Executive Summary

This vulnerability in TFA (likely a MediaTek component) allows local information disclosure due to a missing permission check. A malicious actor with System privilege could exploit this to access sensitive data without user interaction.

Impact Analysis

If you are a user with System privilege on a device using TFA, an attacker could exploit this to steal local information such as credentials, personal data, or other sensitive details from your device.

Compliance Impact

The provided CVE does not specify direct impacts on GDPR or HIPAA compliance. However, local information disclosure vulnerabilities could potentially lead to unauthorized access to sensitive data, which may violate privacy regulations if exploited.

Mitigation Strategies

Apply the patch identified as ALPS11053160 to address the missing permission check in TFA. Ensure System privilege access is properly restricted to prevent local information disclosure.

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