Android App "あんしんフィルター for au" provided by KDDI CORPORATION contains Cleartext Transmission of Sensitive Information (CWE-319) vulnerability. A man-in-the-middle attacker may access and modify communications transmitted in plaintext, potentially resulting in information disclosure or data tampering.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
KDDI CORPORATION あんしんフィルター for au affected
Version Status Constraints
prior to 4.9_b0003 affected —

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN24167657/ cve-icon cve-icon
History

Thu, 14 May 2026 01:30:00 +0000

Type Values Removed Values Added
Title Cleartext Transmission Vulnerability in KDDI ‘あんしんフィルター for au’ App

Wed, 13 May 2026 23:45:00 +0000

Type Values Removed Values Added
Description Android App "あんしんフィルター for au" provided by KDDI CORPORATION contains Cleartext Transmission of Sensitive Information (CWE-319) vulnerability. A man-in-the-middle attacker may access and modify communications transmitted in plaintext, potentially resulting in information disclosure or data tampering.
Weaknesses CWE-319
References
Metrics cvssV3_0

{'score': 4.8, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-05-13T23:06:57.077Z

Reserved: 2026-04-20T04:42:05.522Z

Link: CVE-2026-41281

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-14T00:16:35.237

Modified: 2026-05-14T00:16:35.237

Link: CVE-2026-41281

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T01:30:08Z

Weaknesses