{"id":"CVE-2023-50707","aliases":["EUVD-2023-55484","GHSA-29gw-r2hj-fm58"],"status":"published","title":"Uncontrolled Resource Consumption in EFACEC BCU 500","description":"Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00699,"percentile":0.5345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-12-19T23:18:26Z","modified":"2026-06-17T06:39:49Z","products":[{"vendor":"efacec","product":"bcu 500"},{"vendor":"efacec","product":"bcu_500_firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02","tags":["government-resource","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50707"},{"url":"https://github.com/advisories/GHSA-29gw-r2hj-fm58"}],"sources":{"cve":[{"id":"CVE-2023-50707","title":"Uncontrolled Resource Consumption in EFACEC BCU 500","description":"\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","status":"published","published":"2023-12-19T23:18:26.771Z","modified":"2024-08-02T22:16:47.195Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:34.923818Z"}],"euvd":[{"id":"EUVD-2023-55484","description":"\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","status":"published","published":"2023-12-19T23:18:26Z","modified":"2024-08-02T22:16:47Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T03:26:07.661682Z"}],"ghsa":[{"id":"GHSA-29gw-r2hj-fm58","title":"\nThrough the exploitation of active user sessions, an attacker could send custom requests to...","description":"\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","status":"published","published":"2023-12-20T00:32:45Z","modified":"2023-12-20T00:32:46Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:55:14.600975Z"}],"nvd":[{"id":"CVE-2023-50707","description":"\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","status":"published","published":"2023-12-20T00:15:09.643Z","modified":"2026-06-17T06:39:49.41Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:08:56.329586Z"}]}}