CVE-2021-40390

9.8 criticalEPSS 2.5%

Critical (9.8) in moxa mxview. EPSS 2.5% chance of exploitation in the next 30 days.

An authentication bypass vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. A specially-crafted HTTP request can lead to unauthorized access. An attacker can send an HTTP request to trigger this vulnerability.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2022-04-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

moxa:mxview

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1401
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1401

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