Vulnerability-Lookup

GHSA-2Q7R-P8FQ-P422

Vulnerability from github – Published: 2026-09-25 09:31 – Updated: 2026-09-25 09:31

Details

Smartphone application Tohoku Electric Power "Yorisou e Net" uses a hard-coded cryptographic key, which may allow an attacker to retrieve a hard-coded cryptographic key from the affected product.

Severity

2.4 (Low)


                  
                    CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

2.4 (Low)


                  
                    CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-75553"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-321"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-25T07:16:54Z",
    "severity": "LOW"
  },
  "details": "Smartphone application Tohoku Electric Power \"Yorisou e Net\" uses a hard-coded cryptographic key, which may allow an attacker to retrieve a hard-coded cryptographic key from the affected product.",
  "id": "GHSA-2q7r-p8fq-p422",
  "modified": "2026-09-25T09:31:05Z",
  "published": "2026-09-25T09:31:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75553"
    },
    {
      "type": "WEB",
      "url": "https://apps.apple.com/jp/app/%E6%9D%B1%E5%8C%97%E9%9B%BB%E5%8A%9B-%E3%82%88%E3%82%8A%E3%81%9D%E3%81%86%EF%BD%85%E3%81%AD%E3%81%A3%E3%81%A8/id1420949327?l=en-US"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN93985674"
    },
    {
      "type": "WEB",
      "url": "https://play.google.com/store/apps/details?id=jp.co.tohokuepco.enet\u0026hl=ja"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-75553 (GCVE-0-2026-75553)

Vulnerability from cvelistv5 – Published: 2026-09-25 06:25 – Updated: 2026-09-25 13:34

Summary

Smartphone application Tohoku Electric Power "Yorisou e Net" uses a hard-coded cryptographic key, which may allow an attacker to retrieve a hard-coded cryptographic key from the affected product.

Severity

2.4 (Low)


                        
                          CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

2.4 (Low)


                        
                          CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-25 13:32 UTC

CWE

CWE-321 - Use of hard-coded cryptographic key

Assigner

jpcert jpcert root

References

3 references

URL	Tags
https://play.google.com/store/apps/details?id=jp.…
https://apps.apple.com/jp/app/%E6%9D%B1%E5%8C%97%…
https://jvn.jp/en/jp/JVN93985674/

Impacted products

2 products

Vendor	Product	Version
Tohoku Electric Power Company, Incorporated	Tohoku Electric Power "Yorisou e Net" Android App	Affected: 0 , < 2.8.0 (semver)
Tohoku Electric Power Company, Incorporated	Tohoku Electric Power "Yorisou e Net" iOS App	Affected: 0 , < 2.8.0 (semver)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-75553",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-25T13:32:10.369668Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "product": "Tohoku Electric Power \"Yorisou e Net\" Android App",
          "vendor": "Tohoku Electric Power Company, Incorporated",
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              "version": "0",
              "versionType": "semver"
            }
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              "lessThan": "2.8.0",
              "status": "affected",
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            }
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          "value": "Smartphone application Tohoku Electric Power \"Yorisou e Net\" uses a hard-coded cryptographic key, which may allow an attacker to retrieve a hard-coded cryptographic key from the affected product."
        }
      ],
      "metrics": [
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          "cvssV3_0": {
            "baseScore": 2.4,
            "baseSeverity": "LOW",
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    "dateReserved": "2026-08-24T07:04:44.688Z",
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    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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GHSA-2Q7R-P8FQ-P422

CVE-2026-75553 (GCVE-0-2026-75553)

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