CVE-2021-37384

CRITICALNVD 9.89.8—

9.8

RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to send arbitrary commands to the device via web interface.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 82.8%
KEV: Not listed

Published

July 17, 2023

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://cwe.mitre.org/data/definitions/94.html
cve@mitrehttps://gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt
cve@mitrehttps://owasp.org/www-community/attacks/Code_Injection
cve@mitrehttps://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa/
af854a3a-2127-422b-91ae-364da2661108https://cwe.mitre.org/data/definitions/94.html
af854a3a-2127-422b-91ae-364da2661108https://gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt
af854a3a-2127-422b-91ae-364da2661108https://owasp.org/www-community/attacks/Code_Injection
af854a3a-2127-422b-91ae-364da2661108https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa/

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 14× 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.

2026-06-06 13:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-37384?

CVE-2021-37384 is a critical vulnerability published on July 17, 2023. RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to send arbitrary commands to the device via web interface.

When was CVE-2021-37384 disclosed?

CVE-2021-37384 was first published in the National Vulnerability Database on July 17, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-37384 actively exploited?

CVE-2021-37384 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-37384?

CVE-2021-37384 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-37384?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-37384, 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-2021-37384

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-37384?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)