CVE-2023-50707

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-50707", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2023-12-11T16:37:13.794Z", "datePublished": "2023-12-19T23:18:26.771Z", "dateUpdated": "2024-08-02T22:16:47.195Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "BCU 500", "vendor": "EFACEC", "versions": [{"status": "affected", "version": "version 4.07"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Aar\u00f3n Flecha Men\u00e9ndez of S21sec "}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n\n<p>Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.</p><br>\n\n"}], "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"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2023-12-19T23:18:26.771Z"}, "references": [{"tags": ["government-resource"], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n\n<p>EFACEC released BCU 500 versions 4.08 to mitigate this vulnerability.</p><p>For more information, contact <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.efacec.pt/en/contacts/\">EFACEC support</a>.</p>\n\n<br>"}], "value": "\nEFACEC released BCU 500 versions 4.08 to mitigate this vulnerability.\n\nFor more information, contact EFACEC support https://www.efacec.pt/en/contacts/ .\n\n\n\n\n"}], "source": {"discovery": "UNKNOWN"}, "title": "Uncontrolled Resource Consumption in EFACEC BCU 500", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T22:16:47.195Z"}, "title": "CVE Program Container", "references": [{"tags": ["government-resource", "x_transferred"], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02"}]}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "BCU 500", "vendor": "EFACEC", "versions": [{"status": "affected", "version": "version 4.07"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:efacec:bcu_500_firmware:4.07:*:*:*:*:*:*:*", "matchCriteriaId": "62E65B01-DC85-484D-8133-D2CEF60C1D67", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:efacec:bcu_500:-:*:*:*:*:*:*:*", "matchCriteriaId": "B98DBC89-789C-4C56-B8B3-72675FDA9CE1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "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 explotaci\u00f3n de sesiones de usuarios activos, un atacante podr\u00eda enviar solicitudes personalizadas para provocar una condici\u00f3n de denegaci\u00f3n de servicio en el dispositivo."}], "id": "CVE-2023-50707", "lastModified": "2026-06-17T06:39:49.410", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-20T00:15:09.643", "references": [{"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"], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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