Vulnerability-Lookup

FKIE_CVE-2026-75553

Vulnerability from fkie_nvd - Published: 2026-09-25 07:16 - Updated: 2026-09-25 14:17

Severity

2.4 (Low) - CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

References

	URL	Tags
	vultures@jpcert.or.jp	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
	vultures@jpcert.or.jp	https://jvn.jp/en/jp/JVN93985674/
	vultures@jpcert.or.jp	https://play.google.com/store/apps/details?id=jp.co.tohokuepco.enet&hl=ja

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Tohoku Electric Power \"Yorisou e Net\" Android App",
          "vendor": "Tohoku Electric Power Company, Incorporated",
          "versions": [
            {
              "lessThan": "2.8.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Tohoku Electric Power \"Yorisou e Net\" iOS App",
          "vendor": "Tohoku Electric Power Company, Incorporated",
          "versions": [
            {
              "lessThan": "2.8.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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."
    }
  ],
  "id": "CVE-2026-75553",
  "lastModified": "2026-09-25T14:17:18.930",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "NONE",
          "baseScore": 2.4,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 1.4,
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "PHYSICAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.4,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-75553",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-25T13:32:10.369668Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-25T07:16:54.170",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "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"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "url": "https://jvn.jp/en/jp/JVN93985674/"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "url": "https://play.google.com/store/apps/details?id=jp.co.tohokuepco.enet\u0026hl=ja"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-321"
        }
      ],
      "source": "vultures@jpcert.or.jp",
      "type": "Secondary"
    }
  ]
}

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)

Show details on NVD website

JSON

To clipboard

{
  "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"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-25T13:34:46.656Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Tohoku Electric Power \"Yorisou e Net\" Android App",
          "vendor": "Tohoku Electric Power Company, Incorporated",
          "versions": [
            {
              "lessThan": "2.8.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Tohoku Electric Power \"Yorisou e Net\" iOS App",
          "vendor": "Tohoku Electric Power Company, Incorporated",
          "versions": [
            {
              "lessThan": "2.8.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "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": [
        {
          "cvssV3_0": {
            "baseScore": 2.4,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 2.4,
            "baseSeverity": "LOW",
            "vectorString": "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",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-321",
              "description": "Use of hard-coded cryptographic key",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-25T06:25:15.249Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://play.google.com/store/apps/details?id=jp.co.tohokuepco.enet\u0026hl=ja"
        },
        {
          "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"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN93985674/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-75553",
    "datePublished": "2026-09-25T06:25:15.249Z",
    "dateReserved": "2026-08-24T07:04:44.688Z",
    "dateUpdated": "2026-09-25T13:34:46.656Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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.

Action not permitted

FKIE_CVE-2026-75553

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

Tags

Sightings

Nomenclature

Related by attack behaviour