{"id":"CVE-2023-33868","aliases":["EUVD-2023-38018","GHSA-vvgv-54pp-4xr8"],"status":"published","title":"PiiGAB M-Bus Improper Restriction of Excessive Authentication Attempts","description":"The number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00659,"percentile":0.51855,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-307"],"published":"2023-07-06T22:53:59Z","modified":"2026-06-17T06:02:24Z","products":[{"vendor":"piigab","product":"m-bus softwarepack"},{"vendor":"piigab","product":"m-bus_900s_firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33868"},{"url":"https://github.com/advisories/GHSA-vvgv-54pp-4xr8"}],"sources":{"cve":[{"id":"CVE-2023-33868","title":"PiiGAB M-Bus Improper Restriction of Excessive Authentication Attempts","description":"\n\n\nThe number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.\n\n\n\n","status":"published","published":"2023-07-06T22:53:59.468Z","modified":"2024-10-24T13:31:39.537Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-38018","description":"\n\n\nThe number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.\n\n\n\n","status":"published","published":"2023-07-06T22:53:59Z","modified":"2024-10-24T13:31:39Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:20.595169Z"}],"ghsa":[{"id":"GHSA-vvgv-54pp-4xr8","title":"\n\n\nThe number of login attempts is not limited. This could allow an attacker to perform a brute...","description":"\n\n\nThe number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.\n\n\n\n","status":"published","published":"2023-07-07T00:30:24Z","modified":"2024-04-04T05:50:07Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:56:36.514369Z"}],"nvd":[{"id":"CVE-2023-33868","description":"\n\n\nThe number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.\n\n\n\n","status":"published","published":"2023-07-06T23:15:09.467Z","modified":"2026-06-17T06:02:24.53Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:08:15.127597Z"}]}}