{"id":"CVE-2023-31277","aliases":["EUVD-2023-35591","GHSA-pm8c-wh6q-xfwq"],"status":"published","title":"PiiGAB M-Bus Unprotected Transport of Credentials","description":"PiiGAB M-Bus transmits credentials in plaintext format.","severity":{"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","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00571,"percentile":0.47551,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-523"],"published":"2023-07-06T22:56:10Z","modified":"2026-06-17T05:56:42Z","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-2023-31277"},{"url":"https://github.com/advisories/GHSA-pm8c-wh6q-xfwq"}],"sources":{"cve":[{"id":"CVE-2023-31277","title":"PiiGAB M-Bus Unprotected Transport of Credentials","description":"\n\n\n\n\nPiiGAB M-Bus transmits credentials in plaintext format.\n\n\n\n\n\n","status":"published","published":"2023-07-06T22:56:10.047Z","modified":"2024-11-14T14:04:05.199Z","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","assessor":"cna"}],"cwes":["CWE-523"],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-35591","description":"\n\n\n\n\nPiiGAB M-Bus transmits credentials in plaintext format.\n\n\n\n\n\n","status":"published","published":"2023-07-06T22:56:10Z","modified":"2024-11-14T14:04:05Z","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"}],"updated_at":"2026-11-03T00:05:00.76838Z"}],"ghsa":[{"id":"GHSA-pm8c-wh6q-xfwq","title":"\n\n\n\n\nPiiGAB M-Bus transmits credentials in plaintext format.\n\n\n\n\n\n","description":"\n\n\n\n\nPiiGAB M-Bus transmits credentials in plaintext format.\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-523"],"updated_at":"2026-11-02T14:56:36.514369Z"}],"nvd":[{"id":"CVE-2023-31277","description":"\n\n\n\n\nPiiGAB M-Bus transmits credentials in plaintext format.\n\n\n\n\n\n","status":"published","published":"2023-07-06T23:15:09.367Z","modified":"2026-06-17T05:56:42.4Z","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","assessor":"secondary"},{"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","assessor":"primary"}],"cwes":["CWE-523"],"updated_at":"2026-11-02T14:08:15.127597Z"}]}}