CVE-2023-27921

View on CVE.org

Published May 23, 2023 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

JINS MEME CORE Firmware version 2.2.0 and earlier uses a hard-coded cryptographic key, which may lead to data acquired by a sensor of the affected product being decrypted by a network-adjacent attacker.

Affected Products

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

Vendor Product Default status Versions

JINS Inc.

JINS MEME CORE

affected

Version	Status	Constraints
`Firmware version 2.2.0 and earlier`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:jins:jins_meme_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:jins:jins_meme:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-31647	JINS MEME CORE Firmware version 2.2.0 and earlier uses a hard-coded cryptographic key, which may lead to data acquired by a sensor of the affected product being decrypted by a network-adjacent attacker.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.279% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://jinsmeme.com/media/2023-04-fwapp2
https://jvn.jp/en/jp/JVN13306058/

History

Jan 31, 2025 2:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Jins Jins Meme Jins Meme Firmware

Weaknesses

CWE-798

Sources

CVE record Updated: Jan 31, 2025, 1:59 PM

Status: PUBLISHED
Assigner: jpcert
Published: May 23, 2023, 12:00 AM
Updated: Jan 31, 2025, 1:59 PM
Reserved: Mar 15, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 12:23 PM

Updated: Aug 2, 2024, 12:23 PM

NVD Updated: Jun 17, 2026, 5:46 AM

Status: Modified
Published: May 23, 2023, 2:15 AM
Modified: Jun 17, 2026, 5:46 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-27921", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "dateUpdated": "2025-01-31T13:59:20.243Z", "dateReserved": "2023-03-15T00:00:00.000Z", "datePublished": "2023-05-23T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2023-05-23T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "JINS MEME CORE Firmware version 2.2.0 and earlier uses a hard-coded cryptographic key, which may lead to data acquired by a sensor of the affected product being decrypted by a network-adjacent attacker."}], "affected": [{"vendor": "JINS Inc.", "product": "JINS MEME CORE", "versions": [{"version": "Firmware version 2.2.0 and earlier", "status": "affected"}]}], "references": [{"url": "https://jinsmeme.com/media/2023-04-fwapp2"}, {"url": "https://jvn.jp/en/jp/JVN13306058/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Use of hard-coded cryptographic key"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T12:23:30.807Z"}, "title": "CVE Program Container", "references": [{"url": "https://jinsmeme.com/media/2023-04-fwapp2", "tags": ["x_transferred"]}, {"url": "https://jvn.jp/en/jp/JVN13306058/", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-798", "lang": "en", "description": "CWE-798 Use of Hard-coded Credentials"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-01-17T18:45:26.910821Z", "id": "CVE-2023-27921", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2025-01-31T13:59:20.243Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://jinsmeme.com/media/2023-04-fwapp2", "tags": ["x_transferred"]}, {"url": "https://jvn.jp/en/jp/JVN13306058/", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T12:23:30.807Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-27921", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-01-17T18:45:26.910821Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-798", "description": "CWE-798 Use of Hard-coded Credentials"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-17T18:43:52.259Z"}}], "cna": {"affected": [{"vendor": "JINS Inc.", "product": "JINS MEME CORE", "versions": [{"status": "affected", "version": "Firmware version 2.2.0 and earlier"}]}], "references": [{"url": "https://jinsmeme.com/media/2023-04-fwapp2"}, {"url": "https://jvn.jp/en/jp/JVN13306058/"}], "descriptions": [{"lang": "en", "value": "JINS MEME CORE Firmware version 2.2.0 and earlier uses a hard-coded cryptographic key, which may lead to data acquired by a sensor of the affected product being decrypted by a network-adjacent attacker."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Use of hard-coded cryptographic key"}]}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2023-05-23T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2023-27921", "state": "PUBLISHED", "dateUpdated": "2025-01-31T13:59:20.243Z", "dateReserved": "2023-03-15T00:00:00.000Z", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "datePublished": "2023-05-23T00:00:00.000Z", "assignerShortName": "jpcert"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "JINS MEME CORE", "vendor": "JINS Inc.", "versions": [{"status": "affected", "version": "Firmware version 2.2.0 and earlier"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:jins:jins_meme_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "52F3BF86-0FE5-45C9-A957-C32AFFB536B9", "versionEndExcluding": "2.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:jins:jins_meme:-:*:*:*:*:*:*:*", "matchCriteriaId": "AC1D21F9-07CB-4E3A-83A0-3EB32DCB3D20", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "JINS MEME CORE Firmware version 2.2.0 and earlier uses a hard-coded cryptographic key, which may lead to data acquired by a sensor of the affected product being decrypted by a network-adjacent attacker."}], "id": "CVE-2023-27921", "lastModified": "2026-06-17T05:46:07.233", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-27921", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-01-17T18:45:26.910821Z", "version": "2.0.3"}}]}, "published": "2023-05-23T02:15:09.867", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Release Notes"], "url": "https://jinsmeme.com/media/2023-04-fwapp2"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN13306058/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://jinsmeme.com/media/2023-04-fwapp2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN13306058/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-798"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}