Unauthenticated server-supplied OpenVPN configuration in Moxa Remote Connect Suite (MRC Client) (Moxa Moxa Remote Connect Suite (MRC Client))

CVE-2026-111459
HIGH 7.6

At a glance

Source
NVD
EPSS
EPSS 0.17 % · percentile 7 ()
State
PUBLISHED
Published
Updated
Assigner
Moxa
NVD status
Awaiting Analysis

Description

An improper certificate validation vulnerability exists in Moxa Remote Connect Suite (MRC Client). Under certain conditions, an unauthenticated attacker with on-path access to the communication between the MRC Client and its server could impersonate a trusted server and conduct a man-in-the-middle attack, potentially compromising the confidentiality and integrity of communications.

Weaknesses (CWE)

  • CWE-295 — Improper Certificate Validation

References

Scores

VersionScoreVectorScored by
CVSS 4.0HIGH 7.6CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NMoxa
CVSS 4.0HIGH 7.6CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD · psirt@moxa.com (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Moxa · Moxa Remote Connect Suite (MRC Client)affected 1.0.0 ≤ 4.2.0 ; unaffected 4.2.2

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD