CVE-2021-38454

CRITICALNVD 10.010.0—

10.0

A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow an attacker to create or overwrite critical files used to execute code, such as programs or libraries.

CVSS v3: 10.0
EG Score: 10.0(medium)
EPSS: 68.7%
KEV: Not listed

Published

October 12, 2021

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 23, 2026

Patch available. Sources: cisa.

cisa Patch Available

Moxa MXview Network Management Software | CISA

https://us-cert.cisa.gov/ics/advisories/icsa-21-278-03

Weakness Classification(3)

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

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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 09:11 UTCEG score recompute
2026-05-26 09:11 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-38454?

CVE-2021-38454 is a critical vulnerability published on October 12, 2021. A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow an attacker to create or overwrite critical files used to execute code, such as programs or libraries.

When was CVE-2021-38454 disclosed?

CVE-2021-38454 was first published in the National Vulnerability Database on October 12, 2021, 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-2021-38454 actively exploited?

CVE-2021-38454 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-38454?

CVE-2021-38454 has a CVSS v3 base score of 10.0 (NVD).

How do I remediate CVE-2021-38454?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-38454, 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-2021-38454

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Moxa MXview Network Management Software | CISA

Weakness Classification(3)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-38454?

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Frequently asked(5)

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