{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2022-25622","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","assignerShortName":"siemens","dateUpdated":"2025-04-21T13:54:36.799Z","dateReserved":"2022-02-21T00:00:00.000Z","datePublished":"2022-04-12T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","shortName":"siemens","dateUpdated":"2025-01-14T10:26:55.984Z"},"descriptions":[{"lang":"en","value":"The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than defined.\n\nThis could allow an attacker to create a denial of service condition for TCP services on affected devices by sending specially crafted TCP segments."}],"affected":[{"vendor":"Siemens","product":"SIMATIC CFU DIQ","versions":[{"status":"affected","version":"0","lessThan":"V2.0.0","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC CFU PA","versions":[{"status":"affected","version":"0","lessThan":"V2.0.0","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200AL IM 157-1 PN","versions":[{"status":"affected","version":"All versions"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200MP IM 155-5 PN HF","versions":[{"status":"affected","version":"V4.2.0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200pro IM 154-8 PN/DP CPU","versions":[{"status":"affected","version":"All versions < V3.2.19"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200pro IM 154-8F PN/DP CPU","versions":[{"status":"affected","version":"All versions < V3.2.19"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200pro IM 154-8FX PN/DP CPU","versions":[{"status":"affected","version":"All versions < V3.2.19"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200S IM 151-8 PN/DP CPU","versions":[{"status":"affected","version":"All versions < V3.2.19"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200S IM 151-8F PN/DP CPU","versions":[{"status":"affected","version":"All versions < V3.2.19"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200SP IM 155-6 MF HF","versions":[{"status":"affected","version":"0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200SP IM 155-6 PN HA (incl. 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