Vulnerability-Lookup

JVNDB-2025-000070

Vulnerability from jvndb - Published: 2025-09-02 05:20 - Updated:2025-09-09 00:51

Severity

4.3 (Medium) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Summary

"Gunosy" App vulnerable to insertion of sensitive information into sent data

Details

"Gunosy" App provided by Gunosy Inc. contains the following vulnerability.

Insertion of sensitive information into sent data (CWE-201) - CVE-2025-44017

YUNAO ZHOU of LAC Co., Ltd. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN47404248/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-44017
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	Gunosy Inc.	"Gunosy" App for Android
	Gunosy Inc.	"Gunosy" App for iOS

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000070.html",
  "dc:date": "2025-09-09T09:51+09:00",
  "dcterms:issued": "2025-09-02T14:20+09:00",
  "dcterms:modified": "2025-09-09T09:51+09:00",
  "description": "\"Gunosy\" App provided by Gunosy Inc. contains the following vulnerability.\u003cul\u003e\u003cli\u003eInsertion of sensitive information into sent data (CWE-201) - CVE-2025-44017\u003c/li\u003e\u003c/ul\u003eYUNAO ZHOU of LAC Co., Ltd. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000070.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:misc:gunosy_gunosy_for_android",
      "@product": "\"Gunosy\" App for Android",
      "@vendor": "Gunosy Inc.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:gunosy_gunosy_for_ios",
      "@product": "\"Gunosy\" App for iOS",
      "@vendor": "Gunosy Inc.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "4.3",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2025-000070",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN47404248/index.html",
      "@id": "JVN#47404248",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-44017",
      "@id": "CVE-2025-44017",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "\"Gunosy\" App vulnerable to insertion of sensitive information into sent data"
}

CVE-2025-44017 (GCVE-0-2025-44017)

Vulnerability from cvelistv5 – Published: 2025-09-02 07:41 – Updated: 2025-09-02 13:49

Summary

"Gunosy" App contains a vulnerability where sensitive information may be included in the application's outbound communication. If a user accesses a crafted URL, an attacker may obtain the JWT (JSON Web Token).

Severity

4.3 (Medium)


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

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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 2025-09-02 13:49 UTC

CWE

CWE-201 - Insertion of sensitive information into sent data

Assigner

jpcert jpcert root

References

1 reference

URL	Tags
https://jvn.jp/en/jp/JVN47404248/

Impacted products

2 products

Vendor	Product	Version
Gunosy Inc.	"Gunosy" App for Android	Affected: versions prior to 7.34.0
Gunosy Inc.	"Gunosy" App for iOS	Affected: versions prior to 7.34.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-44017",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-02T13:49:17.244970Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-02T13:49:26.120Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "\"Gunosy\" App for Android",
          "vendor": "Gunosy Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "versions prior to 7.34.0"
            }
          ]
        },
        {
          "product": "\"Gunosy\" App for iOS",
          "vendor": "Gunosy Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "versions prior to 7.34.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "\"Gunosy\" App contains a vulnerability where sensitive information may be included in the application\u0027s outbound communication. If a user accesses a crafted URL, an attacker may obtain the JWT (JSON Web Token)."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
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            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
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      "problemTypes": [
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              "description": "Insertion of sensitive information into sent data",
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              "type": "CWE"
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-02T07:41:47.056Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://jvn.jp/en/jp/JVN47404248/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2025-44017",
    "datePublished": "2025-09-02T07:41:47.056Z",
    "dateReserved": "2025-08-27T02:46:14.686Z",
    "dateUpdated": "2025-09-02T13:49:26.120Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.