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TI-2021-17455 Aliases CVE-2021-40390GHSA-wgcx-pj93-24xq

Hard-coded credentials in Moxa MXView Series

Priority HIGH 82CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02456 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MoxaMXView Series3.2.4—No fix listedCNA
  • MXView Series VendorMoxa Affected 3.2.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:moxa:mxview:3.2.4:*:*:*:*:*:*:*3.2.4VulnerableMoxa
  • cpe:2.3:a:moxa:mxview:3.2.4:*:*:*:*:*:*:* Versions 3.2.4 Vulnerable ·Moxa

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40390
  2. 2026-10-03 Alias added: GHSA-wgcx-pj93-24xq

References

Exploit 1

  • TI-2021-17457 Cleartext transmission of sensitive information in Moxa MXView Series CVSS 3.1HIGH 7.5
  • TI-2021-16054 Improper access control in Moxa MXview Network Management Software CVSS 3.1CRITICAL 10.0
  • TI-2017-05105 Moxa MXView 2.8 allows remote attackers to cause a Denial of Service by sending overly… CVSS 3.0HIGH 7.5
  • TI-2017-05104 Moxa MXView 2.8 allows remote attackers to read web server's private key file, no access control. CVSS 3.0HIGH 7.5
  • TI-2021-16058 Injection in Moxa MXview Network Management Software CVSS 3.1CRITICAL 9.8
  • TI-2021-16056 Hard-coded credentials in Moxa MXview Network Management Software CVSS 3.1CRITICAL 9.8
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences