CVE-2023-5554 (GCVE-0-2023-5554)
Vulnerability from cvelistv5 – Published: 2023-10-12 09:34 – Updated: 2025-12-09 07:26
VLAI
EPSS
VEX
Summary
Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-18 17:49 UTC
CWE
- na
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| LINE Corporation | LINE client for iOS |
Affected:
13.12.0 , < 13.16.0
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T07:59:44.896Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://hackerone.com/reports/2106827"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-5554",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-18T17:49:17.224369Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-18T17:50:42.920Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "LINE client for iOS",
"vendor": "LINE Corporation",
"versions": [
{
"lessThan": "13.16.0",
"status": "affected",
"version": "13.12.0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"environmentalScore": 4.8,
"environmentalSeverity": "MEDIUM",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "HIGH",
"modifiedAttackVector": "NETWORK",
"modifiedAvailabilityImpact": "NONE",
"modifiedConfidentialityImpact": "LOW",
"modifiedIntegrityImpact": "LOW",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "UNCHANGED",
"modifiedUserInteraction": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "UNCHANGED",
"temporalScore": 4.8,
"temporalSeverity": "MEDIUM",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "na",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-09T07:26:14.524Z",
"orgId": "657f3255-0560-4aed-82e4-7f579ec6acfb",
"shortName": "LY-Corporation"
},
"references": [
{
"url": "https://hackerone.com/reports/2106827"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "657f3255-0560-4aed-82e4-7f579ec6acfb",
"assignerShortName": "LINE",
"cveId": "CVE-2023-5554",
"datePublished": "2023-10-12T09:34:01.586Z",
"dateReserved": "2023-10-12T09:17:12.045Z",
"dateUpdated": "2025-12-09T07:26:14.524Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-5554",
"date": "2026-09-26",
"epss": "0.00217",
"percentile": "0.10952"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:linecorp:line:*:*:*:*:*:iphone_os:*:*",
"matchCriteriaId": "79E53E1A-A204-424A-B9C7-6DF68710ABB2",
"versionEndExcluding": "13.16.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Lack of TLS certificate verification in log transmission of a financial module within LINE Client for iOS prior to 13.16.0."
},
{
"lang": "es",
"value": "Falta de verificaci\u00f3n del certificado TLS en la transmisi\u00f3n de registros de un m\u00f3dulo financiero dentro de LINE Client para iOS anterior a 13.16.0."
}
],
"id": "CVE-2023-5554",
"lastModified": "2024-11-21T08:42:00.210",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 2.5,
"source": "dl_cve@linecorp.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-10-12T10:15:13.397",
"references": [
{
"source": "dl_cve@linecorp.com",
"tags": [
"Permissions Required"
],
"url": "https://hackerone.com/reports/2106827"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required"
],
"url": "https://hackerone.com/reports/2106827"
}
],
"sourceIdentifier": "dl_cve@linecorp.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "LINE client for iOS",
"vendor": "LINE Corporation",
"versions": [
{
"lessThan": "13.16.0",
"status": "affected",
"version": "13.12.0",
"versionType": "custom"
}
]
}
],
"source": "dl_cve@linecorp.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:linecorp:line:*:*:*:*:*:iphone_os:*:*",
"matchCriteriaId": "79E53E1A-A204-424A-B9C7-6DF68710ABB2",
"versionEndExcluding": "13.16.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0."
},
{
"lang": "es",
"value": "Falta de verificaci\u00f3n del certificado TLS en la transmisi\u00f3n de registros de un m\u00f3dulo financiero dentro de LINE Client para iOS anterior a 13.16.0."
}
],
"id": "CVE-2023-5554",
"lastModified": "2026-06-17T06:48:49.733",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 2.5,
"source": "dl_cve@linecorp.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-5554",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-18T17:49:17.224369Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-10-12T10:15:13.397",
"references": [
{
"source": "dl_cve@linecorp.com",
"tags": [
"Permissions Required"
],
"url": "https://hackerone.com/reports/2106827"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required"
],
"url": "https://hackerone.com/reports/2106827"
}
],
"sourceIdentifier": "dl_cve@linecorp.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-12-09T08:27:16+00:00",
"cve": "CVE-2023-5554",
"id": "CVE-2023-5554",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2023-5554",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-5554.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T07:59:44.896Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://hackerone.com/reports/2106827"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-5554",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-18T17:49:17.224369Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-18T17:49:26.621Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "LINE client for iOS",
"vendor": "LINE Corporation",
"versions": [
{
"lessThan": "13.16.0",
"status": "affected",
"version": "13.12.0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"environmentalScore": 4.8,
"environmentalSeverity": "MEDIUM",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "HIGH",
"modifiedAttackVector": "NETWORK",
"modifiedAvailabilityImpact": "NONE",
"modifiedConfidentialityImpact": "LOW",
"modifiedIntegrityImpact": "LOW",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "UNCHANGED",
"modifiedUserInteraction": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "UNCHANGED",
"temporalScore": 4.8,
"temporalSeverity": "MEDIUM",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "na",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-09T07:26:14.524Z",
"orgId": "657f3255-0560-4aed-82e4-7f579ec6acfb",
"shortName": "LY-Corporation"
},
"references": [
{
"url": "https://hackerone.com/reports/2106827"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "657f3255-0560-4aed-82e4-7f579ec6acfb",
"assignerShortName": "LINE",
"cveId": "CVE-2023-5554",
"datePublished": "2023-10-12T09:34:01.586Z",
"dateReserved": "2023-10-12T09:17:12.045Z",
"dateUpdated": "2025-12-09T07:26:14.524Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
Loading…
Loading…
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.
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.
Loading…
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.
Loading…