{"id":"CVE-2021-22716","aliases":["EUVD-2021-9851","GHSA-h57p-xqpc-6hj8"],"status":"published","title":"A CWE-269: Improper Privilege Management vulnerability exists in C-Bus Toolkit (V1.15.7 and prior...","description":"A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00792,"percentile":0.56765,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-732"],"published":"2021-04-13T18:31:18Z","modified":"2026-06-17T03:37:38Z","products":[{"vendor":"schneider electric","product":"c-bus toolkit"},{"vendor":"schneider-electric","product":"c-bus_toolkit"}],"references":[{"url":"https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2021-103-01_C-Bus_Toolkit_C-Gate_Server_Security_Notification.pdf","tags":["x_transferred"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-105-01","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22716"},{"url":"https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-562/"},{"url":"https://github.com/advisories/GHSA-h57p-xqpc-6hj8"}],"sources":{"cve":[{"id":"CVE-2021-22716","description":"A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)","status":"published","published":"2021-04-13T18:31:18.018Z","modified":"2024-09-16T22:02:57.408Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9851","description":"A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)","status":"published","published":"2021-04-13T18:31:18Z","modified":"2024-09-16T22:02:57Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:55:06.207566Z"}],"ghsa":[{"id":"GHSA-h57p-xqpc-6hj8","title":"A CWE-269: Improper Privilege Management vulnerability exists in C-Bus Toolkit (V1.15.7 and prior...","description":"A CWE-269: Improper Privilege Management vulnerability exists in C-Bus Toolkit (V1.15.7 and prior) that could allow a remote code execution when an unprivileged user modifies a file.","status":"published","published":"2022-05-24T17:47:14Z","modified":"2023-01-29T05:02:37Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269","CWE-732"],"updated_at":"2026-11-02T14:45:08.066233Z"}],"nvd":[{"id":"CVE-2021-22716","description":"A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)","status":"published","published":"2021-04-13T19:15:14.21Z","modified":"2026-06-17T03:37:38.663Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}