{"id":"CVE-2026-111459","revision":"1213288575184f6a88929a9da3614d1f","records":[{"revision":"1213288575184f6a88929a9da3614d1f","observedAt":"2026-10-27T09:00:34.147+00:00","statement":{"source":"cve-program","id":"CVE-2026-111459","aliases":[],"title":"Unauthenticated server-supplied OpenVPN configuration in Moxa Remote Connect Suite (MRC Client)","description":"An improper certificate validation vulnerability exists in Moxa Remote Connect Suite (MRC Client). Under certain conditions, an unauthenticated attacker\u00A0with 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.","state":0,"publishedAt":"2026-10-27T07:08:17.598+00:00","modifiedAt":"2026-10-27T07:08:17.598+00:00","affected":[{"ecosystem":"Vendor product","name":"Moxa Remote Connect Suite (MRC Client)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Moxa\",\n                    \"product\": \"Moxa Remote Connect Suite (MRC Client)\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.0.0\",\n                            \"lessThanOrEqual\": \"4.2.0\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"4.2.2\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":7.6,"severity":"HIGH"}],"references":["https://www.moxa.com/en/support/product-support/security-advisory/mpsa-269510-cve-2026-111459-cve-2026-111460-cve-2026-111461-vulnerabilities-in-moxa-remote-connect-suite-mrc-client"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111459","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111459","identifiers":["CVE-2026-111459"]},"retained":false,"historicalAffected":[]}],"coverage":[]}