{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-04T23:05:15.384","vulnerabilities":[{"cve":{"id":"CVE-2023-50707","sourceIdentifier":"ics-cert@hq.dhs.gov","published":"2023-12-20T00:15:09.643","lastModified":"2026-06-17T06:39:49.410","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"\nThrough the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.\n\n\n\n\n"},{"lang":"es","value":"Mediante la explotación de sesiones de usuarios activos, un atacante podría enviar solicitudes personalizadas para provocar una condición de denegación de servicio en el dispositivo."}],"affected":[{"source":"ics-cert@hq.dhs.gov","affectedData":[{"vendor":"EFACEC","product":"BCU 500","defaultStatus":"unaffected","versions":[{"version":"version 4.07","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"ics-cert@hq.dhs.gov","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","baseScore":9.6,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.1,"impactScore":5.8},{"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}]},"weaknesses":[{"source":"ics-cert@hq.dhs.gov","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:efacec:bcu_500_firmware:4.07:*:*:*:*:*:*:*","matchCriteriaId":"62E65B01-DC85-484D-8133-D2CEF60C1D67"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:efacec:bcu_500:-:*:*:*:*:*:*:*","matchCriteriaId":"B98DBC89-789C-4C56-B8B3-72675FDA9CE1"}]}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02","source":"ics-cert@hq.dhs.gov","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","US Government Resource"]}]}}]}