Vulnerabilites related to WAGO - PLC
cve-2021-34578
Vulnerability from cvelistv5
Published
2021-08-31 10:33
Modified
2024-09-16 18:33
Severity ?
EPSS score ?
Summary
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.
References
▼ | URL | Tags |
---|---|---|
https://cert.vde.com/en-us/advisories/vde-2020-044 | x_refsource_CONFIRM |
Impacted products
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CERT@VDE coordinated." } ], "datePublic": "2021-08-31T00:00:00", "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", "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": "\u003c=", "version_name": "750-362", "version_value": "FW07" }, { "version_affected": "\u003c=", "version_name": "750-363", "version_value": "FW07" }, { "version_affected": "\u003c=", "version_name": "750-823", "version_value": "FW07" }, { "version_affected": "\u003c=", "version_name": "750-832/xxx-xxx", "version_value": "FW07" }, { "version_affected": "\u003c=", "version_name": "750-862", "version_value": "FW07" }, { "version_affected": "\u003c=", "version_name": "750-891", "version_value": "FW07" }, { "version_affected": "\u003c=", "version_name": "750-890/xxx-xxx", "version_value": "FW07" }, { "version_affected": "\u003c=", "version_name": "750-893", "version_value": "FW07" } ] } } ] }, "vendor_name": "WAGO" } ] } }, "credit": [ { "lang": "eng", "value": "Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. 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