{"containers":{"cna":{"affected":[{"product":"AXC F","vendor":"Phoenix Contact","versions":[{"lessThan":"2021.0.5 LTS","status":"affected","version":"AXC F 1152 (1151412)","versionType":"custom"},{"lessThan":"2021.0.5 LTS","status":"affected","version":"AXC F 2152 (2404267)","versionType":"custom"},{"lessThan":"2021.0.5 LTS","status":"affected","version":"AXC F 3152 (1069208)","versionType":"custom"},{"lessThan":"2021.0.5 LTS","status":"affected","version":"AXC F 2152 Starterkit (1046568)","versionType":"custom"}]},{"product":"RFC","vendor":"Phoenix Contact","versions":[{"lessThan":"2021.0.5 LTS","status":"affected","version":"RFC 4072S (1051328)","versionType":"custom"}]},{"product":"PLCnext","vendor":"Phoenix Contact","versions":[{"lessThan":"2021.0.5 LTS","status":"affected","version":"PLCnext Technology Starterkit (1188165)","versionType":"custom"}]}],"credits":[{"lang":"en","value":"The vulnerability was discovered by Oliver Carrigan of Dionach. We kindly appreciate the coordinated disclosure of these vulnerabilities by the finder.  PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication."}],"datePublic":"2021-08-03T00:00:00.000Z","descriptions":[{"lang":"en","value":"Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests."}],"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-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-09-27T08:25:09.000Z","orgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","shortName":"CERTVDE"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://cert.vde.com/en/advisories/VDE-2021-029/"}],"solutions":[{"lang":"en","value":"Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0.5 LTS or higher which fixes this vulnerability."}],"source":{"advisory":"VDE-2021-029","discovery":"EXTERNAL"},"title":"Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS","workarounds":[{"lang":"en","value":"Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. 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