{"id":"CVE-2021-36799","aliases":["EUVD-2021-23376","GHSA-jj35-9m2c-j64q"],"status":"published","title":"KNX ETS5 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev.","description":"KNX ETS5 through 5.7.6 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00418,"percentile":0.3634,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-798"],"published":"2021-07-19T16:31:25Z","modified":"2026-06-17T03:59:27Z","exploits":[{"source":"pocgithub","id":"robertguetzkow/ets5-password-recovery","title":"robertguetzkow/ets5-password-recovery","date":"2021-07-18","url":"https://github.com/robertguetzkow/ets5-password-recovery"}],"products":[{"vendor":"knx","product":"engineering_tool_software_5"}],"references":[{"url":"https://github.com/robertguetzkow/ets5-password-recovery","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.knx.org/knx-en/for-professionals/software/ets-5-professional/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/165200/ETS5-Password-Recovery-Tool.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36799"},{"url":"https://www.knx.org/knx-en/for-professionals/software/ets-5-professional"},{"url":"https://github.com/advisories/GHSA-jj35-9m2c-j64q"}],"sources":{"cve":[{"id":"CVE-2021-36799","description":"KNX ETS5 through 5.7.6 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2021-07-19T16:31:25Z","modified":"2024-08-04T01:01:59.381Z","updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-23376","description":"KNX ETS5 through 5.7.6 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2021-07-19T16:31:25Z","modified":"2024-08-04T01:01:59Z","updated_at":"2026-11-03T03:24:29.329171Z"}],"ghsa":[{"id":"GHSA-jj35-9m2c-j64q","title":"KNX ETS5 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev.","description":"KNX ETS5 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev.","status":"published","published":"2022-05-24T19:08:20Z","modified":"2024-03-30T05:01:44Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:55:45.190481Z"}],"nvd":[{"id":"CVE-2021-36799","description":"KNX ETS5 through 5.7.6 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2021-07-19T17:15:11.92Z","modified":"2026-06-17T03:59:27.303Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:06:55.747384Z"}]}}