{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-30T19:29:56.716","vulnerabilities":[{"cve":{"id":"CVE-2022-27640","sourceIdentifier":"productcert@siemens.com","published":"2022-05-20T13:15:15.077","lastModified":"2024-11-21T06:56:04.640","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC CP 442-1 RNA (All versions < V1.5.18), SIMATIC CP 443-1 RNA (All versions < V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot."},{"lang":"es","value":"Se ha identificado una vulnerabilidad en SIMATIC CP 442-1 RNA (Todas las versiones anteriores a V1.5.18), SIMATIC CP 443-1 RNA (Todas las versiones anteriores a V1.5.18). Los dispositivos afectados manejan inapropiadamente el exceso de peticiones de difusión ARP. Esto podría permitir a un atacante crear una condición de denegación de servicio llevando a cabo ataques de difusión ARP, que pueden causar el reinicio del dispositivo"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:N/I:N/A:C","baseScore":6.1,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":6.5,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"productcert@siemens.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_442-1_rna_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.5.18","matchCriteriaId":"11FC5423-AE0D-40A2-A3F9-5CFEAF5A34A8"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp_442-1_rna:-:*:*:*:*:*:*:*","matchCriteriaId":"4170F80F-3621-4D66-BA8A-86E27CB6D7E9"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_443-1_rna_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.5.18","matchCriteriaId":"54391EC5-D10F-4937-8A39-2A008BBC2726"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp_443-1_rna:-:*:*:*:*:*:*:*","matchCriteriaId":"4FFE9BF6-9309-477B-AEE0-A7C6A574D898"}]}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-480937.pdf","source":"productcert@siemens.com","tags":["Patch","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-480937.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}