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 | |
---|---|---|---|
info@cert.vde.com | https://cert.vde.com/en-us/advisories/vde-2020-044 | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://cert.vde.com/en-us/advisories/vde-2020-044 | Third Party Advisory |
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. 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" } ] } } }, "cveMetadata": { "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-34578", "datePublished": "2021-08-31T10:33:01.868564Z", "dateReserved": "2021-06-10T00:00:00", "dateUpdated": "2024-09-16T18:33:25.112Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": 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Party Advisory\"]},{\"url\":\"https://cert.vde.com/en-us/advisories/vde-2020-044\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.