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TI-2023-20871 Aliases CVE-2023-39979GHSA-vv74-p9wh-mpf3

MXsecurity Authentication Bypass

Priority MEDIUM 51CWE-334Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. A remote attacker might access the system if the web service authenticator has insufficient random values.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00982 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
MoxaMXsecurity Series1.0 – 1.0.1—No fix listedCNA
  • MXsecurity Series VendorMoxa Affected 1.0 – 1.0.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:moxa:mxsecurity:*:*:*:*:*:*:*:*before 1.1.0VulnerableMoxa
  • cpe:2.3:a:moxa:mxsecurity:*:*:*:*:*:*:*:* Versions before 1.1.0 Vulnerable ·Moxa

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Moxa MXsecurity Series — moxa.com/en/support/product-support/security-advisory/mpsa-…

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2023-20873 MXsecurity Device Information DisclosurePriority MEDIUM 40
    • TI-2023-20874 MXsecurity Hardcoded CredentialPriority LOW 39
    • TI-2023-20872 MXsecurity Authenticated Information Disclosure Due to SQL InjectionPriority LOW 36
    Show all 5 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39979
  2. 2026-10-03 Alias added: GHSA-vv74-p9wh-mpf3

References

Advisory 1

  • TI-2023-16408 MXsecurity Hardcoded Credential Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2023-16407 MXsecurity Command Injection Vulnerability CVSS 3.1HIGH 8.8
  • TI-2023-20873 MXsecurity Device Information Disclosure CVSS 3.1HIGH 7.5
  • TI-2024-04413 MXsecurity Use of Hard-coded Credentials CVSS 3.1HIGH 7.5
  • TI-2024-04412 MXsecurity License Generation Function Disclosure CVSS 3.1HIGH 7.5
  • TI-2023-20874 MXsecurity Hardcoded Credential CVSS 3.1HIGH 7.5
See all 8 →

Sources

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