CVE-2023-27921

MEDIUMNVD 6.56.5—

6.5

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.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 25.7%
KEV: Not listed

Published

May 23, 2023

Last Modified

January 31, 2025

References (4)

vultures@jpcerthttps://jinsmeme.com/media/2023-04-fwapp2
vultures@jpcerthttps://jvn.jp/en/jp/JVN13306058/
af854a3a-2127-422b-91ae-364da2661108https://jinsmeme.com/media/2023-04-fwapp2
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN13306058/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-798Use of Hard-coded Credentials

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2023-27921?

CVE-2023-27921 is a medium vulnerability published on May 23, 2023. 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.

When was CVE-2023-27921 disclosed?

CVE-2023-27921 was first published in the National Vulnerability Database on May 23, 2023, with the most recent update on January 31, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-27921 actively exploited?

CVE-2023-27921 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-27921?

CVE-2023-27921 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-27921?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27921, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-27921

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-27921?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)