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[Japanese]
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JVNDB-2026-000137
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Smartphone application Tohoku Electric Power "Yorisou e Net" vulnerable to use of hard-coded cryptographic key
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Smartphone application Tohoku Electric Power "Yorisou e Net" provided by Tohoku Electric Power Company, Incorporated contains the following vulnerability:- Use of hard-coded cryptographic key (CWE-321) - CVE-2026-75553
Yuta Sasaki of Ai Solutions Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 2.4 (Low) [IPA Score]
- Attack Vector: physics
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: None
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CVSS v4 Severity
Base Metrics: 2.4 (Low) [IPA Score]
- Access Vector (AV): Physical
- Attack Complexity (AC): Low
- Attack Requirements (AT): None
- Privileges Required (PR): None
- User Interaction (UI): None
Vulnerable System Impact
- Confidentiality Impact (VC): Low
- Integrity Impact (VI): None
- Availability Impact (VA): None
Subsequent System Impact
- Confidentiality Impact (SC): None
- Integrity Impact (SI): None
- Availability Impact (SA): None
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Tohoku Electric Power Co.,Inc.
- Tohoku Electric Power "Yorisou e Net" Android App versions prior to 2.8.0
- Tohoku Electric Power "Yorisou e Net" iOS App versions prior to 2.8.0
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An attacker could retrieve a hard-coded cryptographic key from the affected product.
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[Update the Application]
Update the application to the latest version according to the information provided by the developer.
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Tohoku Electric Power Co.,Inc.
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- No Mapping(CWE-Other) [IPA Evaluation]
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- CVE-2026-75553
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- JVN : JVN#93985674
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- [2026/09/17]
Web page was published
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