{ "containers": { "cna": { "affected": [ { "product": "CODESYS V2", "vendor": "CODESYS", "versions": [ { "lessThan": "V2.4.7.56", "status": "affected", "version": "Runtime Toolkit 32 bit full", "versionType": "custom" }, { "lessThan": "V2.4.7.56", "status": "affected", "version": "PLCWinNT", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "This issue was discovered by Steffen Robertz and Gerhard Hechenberger from the SEC Consult Vulnerability Lab." } ], "datePublic": "2021-10-25T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-755", "description": "CWE-755 Improper Handling of Exceptional Conditions", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-02-04T19:06:19.000Z", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16877&token=8faab0fc1e069f4edfca5d5aba8146139f67a175&download=" }, { "name": "20211029 SEC Consult SA-20211028-0 :: Denial of Service in CODESYS V2", "tags": [ "mailing-list", "x_refsource_FULLDISC" ], "url": "http://seclists.org/fulldisclosure/2021/Oct/64" }, { "tags": [ "x_refsource_MISC" ], "url": "http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html" }, { "tags": [ "x_refsource_MISC" ], "url": "http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html" } ], "solutions": [ { "lang": "en", "value": "CODESYS GmbH has released the following product versions to solve the noted vulnerability issue for the affected CODESYS products:\n * CODESYS Runtime Toolkit 32 bit full version V2.4.7.56\n * CODESYS PLCWinNT version V2.4.7.56. This will also be part of the CODESYS Development System setup version V2.3.9.68." } ], "source": { "defect": [ "VDE-2021-049" ], "discovery": "EXTERNAL" }, "title": "CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service", "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-10-25T14:00:00.000Z", "ID": "CVE-2021-34593", "STATE": "PUBLIC", "TITLE": "CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "CODESYS V2", "version": { "version_data": [ { "version_affected": "<", "version_name": "Runtime Toolkit 32 bit full", "version_value": "V2.4.7.56" }, { "version_affected": "<", "version_name": "PLCWinNT", "version_value": "V2.4.7.56" } ] } } ] }, "vendor_name": "CODESYS" } ] } }, "credit": [ { "lang": "eng", "value": "This issue was discovered by Steffen Robertz and Gerhard Hechenberger from the SEC Consult Vulnerability Lab." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. 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