{"id":"CVE-2022-28005","aliases":["EUVD-2022-32491","GHSA-m9wh-p6h4-rmvw"],"status":"published","title":"An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3...","description":"An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3 FINAL. An unauthenticated attacker could abuse improperly secured access to arbitrary files on the server (via /Electron/download directory traversal in conjunction with a path component that uses backslash characters), leading to cleartext credential disclosure. Afterwards, the authenticated attacker is able to upload a file that overwrites a 3CX service binary, leading to Remote Code Execution as NT AUTHORITY\\SYSTEM on Windows installations. NOTE: this issue exists because of an incomplete fix for CVE-2022-48482.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08346,"percentile":0.9499,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2022-05-06T00:00:00Z","modified":"2026-06-17T04:37:50Z","products":[{"vendor":"3cx","product":"3cx"}],"references":[{"url":"https://www.3cx.com/blog/change-log/phone-system-change-log/","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.3cx.com/blog/releases/v18-update-3-final/","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.3cx.com/blog/releases/v18-security-hotfix/","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-28005"},{"url":"https://medium.com/@frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88"},{"url":"https://github.com/advisories/GHSA-m9wh-p6h4-rmvw"}],"sources":{"cve":[{"id":"CVE-2022-28005","description":"An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3 FINAL. An unauthenticated attacker could abuse improperly secured access to arbitrary files on the server (via /Electron/download directory traversal in conjunction with a path component that uses backslash characters), leading to cleartext credential disclosure. Afterwards, the authenticated attacker is able to upload a file that overwrites a 3CX service binary, leading to Remote Code Execution as NT AUTHORITY\\SYSTEM on Windows installations. NOTE: this issue exists because of an incomplete fix for CVE-2022-48482.","status":"published","published":"2022-05-06T00:00:00Z","modified":"2024-08-03T05:41:11.265Z","updated_at":"2026-11-02T14:34:39.233406Z"}],"euvd":[{"id":"EUVD-2022-32491","description":"An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3 FINAL. An unauthenticated attacker could abuse improperly secured access to arbitrary files on the server (via /Electron/download directory traversal in conjunction with a path component that uses backslash characters), leading to cleartext credential disclosure. Afterwards, the authenticated attacker is able to upload a file that overwrites a 3CX service binary, leading to Remote Code Execution as NT AUTHORITY\\SYSTEM on Windows installations. NOTE: this issue exists because of an incomplete fix for CVE-2022-48482.","status":"published","published":"2022-05-06T00:00:00Z","modified":"2024-08-03T05:41:11Z","updated_at":"2026-11-03T03:25:41.906388Z"}],"ghsa":[{"id":"GHSA-m9wh-p6h4-rmvw","title":"An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3...","description":"An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3 FINAL. An unauthenticated attacker could abuse improperly secured access to arbitrary files on the server, leading to cleartext credential disclosure. Afterwards, the authenticated attacker is able to upload a file that overwrites a 3CX service binary, leading to Remote Code Execution as NT AUTHORITY\\SYSTEM on Windows installations. Versions prior to version 18, Hotfix 1 Build 18.0.3.461 March 2022, are prone to an additional unauthenticated file system access to C:\\Windows\\System32.","status":"published","published":"2022-05-07T00:00:40Z","modified":"2023-05-02T06:30:28Z","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"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:54:34.500941Z"}],"nvd":[{"id":"CVE-2022-28005","description":"An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3 FINAL. An unauthenticated attacker could abuse improperly secured access to arbitrary files on the server (via /Electron/download directory traversal in conjunction with a path component that uses backslash characters), leading to cleartext credential disclosure. Afterwards, the authenticated attacker is able to upload a file that overwrites a 3CX service binary, leading to Remote Code Execution as NT AUTHORITY\\SYSTEM on Windows installations. NOTE: this issue exists because of an incomplete fix for CVE-2022-48482.","status":"published","published":"2022-05-06T15:15:08.787Z","modified":"2026-06-17T04:37:50.65Z","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":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:07:19.51203Z"}]}}