CVE-2023-39737 - Vulnerability Details - OpenCVE

Description

The leakage of the client secret in Matsuya Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.

Published: 2023-10-24

Score: 8.2 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:linecorp:matsuya:13.6.1:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-43437	The leakage of the client secret in Matsuya Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00214.

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md
https://liff.line.me/1657535522-JD5Q5Yp1

History

Thu, 26 Feb 2026 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 12 Sep 2024 17:00:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-200

Subscriptions

Linecorp Matsuya

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-10-24T00:00:00.000Z

Updated: 2024-09-12T15:50:23.141Z

Reserved: 2023-08-07T00:00:00.000Z

Link: CVE-2023-39737

Vulnrichment

Updated: 2024-08-02T18:18:09.862Z

NVD

Status : Modified

Published: 2023-10-25T18:17:29.423

Modified: 2024-11-21T08:15:53.630

Link: CVE-2023-39737

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-39737", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-09-12T15:50:23.141Z", "dateReserved": "2023-08-07T00:00:00.000Z", "datePublished": "2023-10-24T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-10-24T21:47:40.804Z"}, "descriptions": [{"lang": "en", "value": "The leakage of the client secret in Matsuya Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md"}, {"url": "https://liff.line.me/1657535522-JD5Q5Yp1"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T18:18:09.862Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md", "tags": ["x_transferred"]}, {"url": "https://liff.line.me/1657535522-JD5Q5Yp1", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-200", "lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "affected": [{"vendor": "linecorp", "product": "matsuya", "cpes": ["cpe:2.3:a:linecorp:matsuya:13.6.1:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "13.6.1", "status": "affected"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-09-12T15:49:39.607271Z", "id": "CVE-2023-39737", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T15:50:23.141Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md", "tags": ["x_transferred"]}, {"url": "https://liff.line.me/1657535522-JD5Q5Yp1", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T18:18:09.862Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-39737", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-12T15:49:39.607271Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:linecorp:matsuya:13.6.1:*:*:*:*:*:*:*"], "vendor": "linecorp", "product": "matsuya", "versions": [{"status": "affected", "version": "13.6.1"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T15:50:18.726Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md"}, {"url": "https://liff.line.me/1657535522-JD5Q5Yp1"}], "descriptions": [{"lang": "en", "value": "The leakage of the client secret in Matsuya Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-10-24T21:47:40.804Z"}}}, "cveMetadata": {"cveId": "CVE-2023-39737", "state": "PUBLISHED", "dateUpdated": "2024-09-12T15:50:23.141Z", "dateReserved": "2023-08-07T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-10-24T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:linecorp:matsuya:13.6.1:*:*:*:*:*:*:*", "matchCriteriaId": "47AEEAF5-0C13-424B-9043-78352A0FC770", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The leakage of the client secret in Matsuya Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages."}, {"lang": "es", "value": "La filtraci\u00f3n del secreto del cliente en Matsuya Line 13.6.1 permite a los atacantes obtener el token de acceso al canal y enviar mensajes de difusi\u00f3n manipulados."}], "id": "CVE-2023-39737", "lastModified": "2024-11-21T08:15:53.630", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-10-25T18:17:29.423", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://liff.line.me/1657535522-JD5Q5Yp1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://liff.line.me/1657535522-JD5Q5Yp1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-200"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}