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CVE-2026-111459high7.6

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

Impact

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.

Source excerpt · Moxa
Applies when

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.

What to do

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Moxa · Moxa Remote Connect Suite (MRC Client)

Other versions: unaffected

Version / rangeSource status
1.0.0 through 4.2.0 (inclusive)affected
4.2.2unaffected
Moxa version evidence

Original source 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.

References