{"api_version":"1","generated_at":"2026-07-23T22:41:18+00:00","cve":"CVE-2018-5441","urls":{"html":"https://cve.report/CVE-2018-5441","api":"https://cve.report/api/cve/CVE-2018-5441.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-5441","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-5441"},"summary":{"title":"CVE-2018-5441","description":"An Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard firmware versions 7.2 to 8.6.0. mGuard devices rely on internal checksums for verification of the internal integrity of the update packages. Verification may not always be performed correctly, allowing an attacker to modify firmware update packages.","state":"PUBLIC","assigner":"ics-cert@hq.dhs.gov","published_at":"2018-01-30 20:29:00","updated_at":"2019-10-09 23:41:00"},"problem_types":["CWE-20"],"metrics":[],"references":[{"url":"http://www.securityfocus.com/bid/102907","name":"102907","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Phoenix Contact mGuard CVE-2018-5441 Local Security Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-030-01","name":"https://ics-cert.us-cert.gov/advisories/ICSA-18-030-01","refsource":"MISC","tags":["Third Party Advisory","US Government Resource"],"title":"PHOENIX CONTACT mGuard | CISA","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://cert.vde.com/en-us/advisories/vde-2018-001","name":"https://cert.vde.com/en-us/advisories/vde-2018-001","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"PHOENIX CONTACT Advisory for mGuard products — English (USA)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-5441","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5441","name":"NVD vulnerability 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CONTACT mGuard Improper Validation of Integrity Check Value Vulnerability (ICSA-18-030-01)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","ID":"CVE-2018-5441","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"PHOENIX CONTACT mGuard","version":{"version_data":[{"version_value":"PHOENIX CONTACT mGuard"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard firmware versions 7.2 to 8.6.0. mGuard devices rely on internal checksums for verification of the internal integrity of the update packages. Verification may not always be performed correctly, allowing an attacker to modify firmware update packages."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-354"}]}]},"references":{"reference_data":[{"name":"102907","refsource":"BID","url":"http://www.securityfocus.com/bid/102907"},{"name":"https://ics-cert.us-cert.gov/advisories/ICSA-18-030-01","refsource":"MISC","url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-030-01"},{"name":"https://cert.vde.com/en-us/advisories/vde-2018-001","refsource":"CONFIRM","url":"https://cert.vde.com/en-us/advisories/vde-2018-001"}]}},"nvd":{"publishedDate":"2018-01-30 20:29:00","lastModifiedDate":"2019-10-09 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Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard firmware versions 7.2 to 8.6.0. mGuard devices rely on internal checksums for verification of the internal integrity of the update packages. Verification may not always be performed correctly, allowing an attacker to modify firmware update packages.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"5441","Ordinal":"2","NoteData":"2018-01-30","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"5441","Ordinal":"3","NoteData":"2018-05-16","Type":"Other","Title":"Modified"}]}}}