{"id":"CVE-2023-35987","aliases":["EUVD-2023-39971","GHSA-pr5p-f98w-w666"],"status":"published","title":"PiiGAB M-Bus Use of Hard-coded Credentials","description":"PiiGAB M-Bus contains hard-coded credentials which it uses for authentication.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00753,"percentile":0.55331,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2023-07-06T22:58:06Z","modified":"2026-06-17T06:05:36Z","products":[{"vendor":"piigab","product":"m-bus softwarepack"},{"vendor":"piigab","product":"m-bus_900s"},{"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-2023-35987"},{"url":"https://github.com/advisories/GHSA-pr5p-f98w-w666"}],"sources":{"cve":[{"id":"CVE-2023-35987","title":"PiiGAB M-Bus Use of Hard-coded Credentials","description":"\n\n\n\n\n\n\nPiiGAB M-Bus contains hard-coded credentials which it uses for authentication.\n\n\n\n\n\n\n\n","status":"published","published":"2023-07-06T22:58:06.843Z","modified":"2024-11-13T21:32:42.878Z","cvss":[{"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":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:35:33.462059Z"}],"euvd":[{"id":"EUVD-2023-39971","description":"\n\n\n\n\n\n\nPiiGAB M-Bus contains hard-coded credentials which it uses for authentication.\n\n\n\n\n\n\n\n","status":"published","published":"2023-07-06T22:58:06Z","modified":"2024-11-13T21:32:42Z","cvss":[{"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"}],"updated_at":"2026-11-03T00:05:00.76838Z"}],"ghsa":[{"id":"GHSA-pr5p-f98w-w666","title":"\n\n\n\n\n\n\nPiiGAB M-Bus contains hard-coded credentials which it uses for authentication.\n\n\n\n\n\n\n\n","description":"\n\n\n\n\n\n\nPiiGAB M-Bus contains hard-coded credentials which it uses for authentication.\n\n\n\n\n\n\n\n","status":"published","published":"2023-07-07T00:30:24Z","modified":"2024-04-04T05:50:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:56:36.514369Z"}],"nvd":[{"id":"CVE-2023-35987","description":"\n\n\n\n\n\n\nPiiGAB M-Bus contains hard-coded credentials which it uses for authentication.\n\n\n\n\n\n\n\n","status":"published","published":"2023-07-06T23:15:09.55Z","modified":"2026-06-17T06:05:36.64Z","cvss":[{"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":"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-798"],"updated_at":"2026-11-02T14:08:15.127597Z"}]}}