CVE-2023-5376

HIGHNVD 8.68.6—

8.6

An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.

CVSS v3: 8.6
EG Score: 8.6(medium)
EPSS: 50.9%
KEV: Not listed

Published

January 9, 2024

Last Modified

October 8, 2025

References (8)

office@cyberdanubehttp://packetstormsecurity.com/files/176550/Korenix-JetNet-Series-Unauthenticated-Access.html
office@cyberdanubehttp://seclists.org/fulldisclosure/2024/Jan/11
office@cyberdanubehttps://cyberdanube.com/en/en-multiple-vulnerabilities-in-korenix-jetnet-series/
office@cyberdanubehttps://www.beijerelectronics.com/en/support/Help___online?docId=69947
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/176550/Korenix-JetNet-Series-Unauthenticated-Access.html
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jan/11
af854a3a-2127-422b-91ae-364da2661108https://cyberdanube.com/en/en-multiple-vulnerabilities-in-korenix-jetnet-series/
af854a3a-2127-422b-91ae-364da2661108https://www.beijerelectronics.com/en/support/Help___online?docId=69947

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× 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
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 10:47 UTCEG score recompute
2026-05-24 10:47 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-5376?

CVE-2023-5376 is a high vulnerability published on January 9, 2024. An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.

When was CVE-2023-5376 disclosed?

CVE-2023-5376 was first published in the National Vulnerability Database on January 9, 2024, with the most recent update on October 8, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-5376 actively exploited?

CVE-2023-5376 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-5376?

CVE-2023-5376 has a CVSS v3 base score of 8.6 (NVD).

How do I remediate CVE-2023-5376?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5376, 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.

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CVE-2023-5376

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-5376?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)