{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-03T22:03:35.844","vulnerabilities":[{"cve":{"id":"CVE-2021-25909","sourceIdentifier":"cve-coordination@incibe.es","published":"2021-01-29T14:15:12.277","lastModified":"2026-06-17T03:42:33.763","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"ZIV Automation 4CCT-EA6-334126BF firmware version 3.23.80.27.36371, allows an unauthenticated, remote attacker to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending specific packets to the port 7919."},{"lang":"es","value":"ZIV Automation 4CCT-EA6-334126BF, versión de firmware 3.23.80.27.36371, permite a un atacante remoto no autenticado causar una condición de denegación de servicio en el dispositivo. Un atacante podría explotar esta vulnerabilidad mediante el envío de paquetes específicos hacia el puerto 7919"}],"affected":[{"source":"cve-coordination@incibe.es","affectedData":[{"vendor":"ZIV AUTOMATION","product":"4CCT-EA6-334126BF","versions":[{"version":"3.23.80.27.36371","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve-coordination@incibe.es","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"cve-coordination@incibe.es","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:zivautomation:4cct-ea6-334126bf_firmware:3.23.80.27.36371:*:*:*:*:*:*:*","matchCriteriaId":"DE6D5EE0-2721-4314-8D7E-25327DBB15BA"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:zivautomation:4cct-ea6-334126bf:-:*:*:*:*:*:*:*","matchCriteriaId":"132A81F8-0124-4ECA-B927-AD55C9FC6D0B"}]}]}],"references":[{"url":"https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack","source":"cve-coordination@incibe.es","tags":["Third Party Advisory"]},{"url":"https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}