{"containers":{"cna":{"affected":[{"product":"PLC","vendor":"WAGO","versions":[{"lessThanOrEqual":"FW07","status":"affected","version":"750-362","versionType":"custom"},{"lessThanOrEqual":"FW07","status":"affected","version":"750-363","versionType":"custom"},{"lessThanOrEqual":"FW07","status":"affected","version":"750-823","versionType":"custom"},{"lessThanOrEqual":"FW07","status":"affected","version":"750-832/xxx-xxx","versionType":"custom"},{"lessThanOrEqual":"FW07","status":"affected","version":"750-862","versionType":"custom"},{"lessThanOrEqual":"FW07","status":"affected","version":"750-891","versionType":"custom"},{"lessThanOrEqual":"FW07","status":"affected","version":"750-890/xxx-xxx","versionType":"custom"},{"lessThanOrEqual":"FW07","status":"affected","version":"750-893","versionType":"custom"}]}],"credits":[{"lang":"en","value":"Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. CERT@VDE coordinated."}],"datePublic":"2021-08-31T00:00:00.000Z","descriptions":[{"lang":"en","value":"This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-08-31T10:33:01.000Z","orgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","shortName":"CERTVDE"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://cert.vde.com/en-us/advisories/vde-2020-044"}],"solutions":[{"lang":"en","value":"Update the device to the latest FW version."}],"source":{"advisory":"VDE-2020-044","discovery":"EXTERNAL"},"title":"WAGO: Authentication Vulnerability in Web-Based Management","workarounds":[{"lang":"en","value":"Restrict network access to the device.\nDo not directly connect the device to the internet.\nDisable unused TCP/UDP ports.\nDisable web-based management ports 80/443 after the configuration phase"}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"info@cert.vde.com","DATE_PUBLIC":"2021-08-31T07:00:00.000Z","ID":"CVE-2021-34578","STATE":"PUBLIC","TITLE":"WAGO: Authentication Vulnerability in Web-Based Management"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"PLC","version":{"version_data":[{"version_affected":"<=","version_name":"750-362","version_value":"FW07"},{"version_affected":"<=","version_name":"750-363","version_value":"FW07"},{"version_affected":"<=","version_name":"750-823","version_value":"FW07"},{"version_affected":"<=","version_name":"750-832/xxx-xxx","version_value":"FW07"},{"version_affected":"<=","version_name":"750-862","version_value":"FW07"},{"version_affected":"<=","version_name":"750-891","version_value":"FW07"},{"version_affected":"<=","version_name":"750-890/xxx-xxx","version_value":"FW07"},{"version_affected":"<=","version_name":"750-893","version_value":"FW07"}]}}]},"vendor_name":"WAGO"}]}},"credit":[{"lang":"eng","value":"Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. CERT@VDE coordinated."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-287 Improper Authentication"}]}]},"references":{"reference_data":[{"name":"https://cert.vde.com/en-us/advisories/vde-2020-044","refsource":"CONFIRM","url":"https://cert.vde.com/en-us/advisories/vde-2020-044"}]},"solution":[{"lang":"en","value":"Update the device to the latest FW version."}],"source":{"advisory":"VDE-2020-044","discovery":"EXTERNAL"},"work_around":[{"lang":"en","value":"Restrict network access to the device.\nDo not directly connect the device to the internet.\nDisable unused TCP/UDP ports.\nDisable web-based management ports 80/443 after the configuration phase"}]}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T00:19:47.008Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://cert.vde.com/en-us/advisories/vde-2020-044"}]}]},"cveMetadata":{"assignerOrgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","assignerShortName":"CERTVDE","cveId":"CVE-2021-34578","datePublished":"2021-08-31T10:33:01.868Z","dateReserved":"2021-06-10T00:00:00.000Z","dateUpdated":"2024-09-16T18:33:25.112Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}