{"id":"CVE-2017-18014","aliases":["EUVD-2017-9154","GHSA-9x6w-27m6-6fwq"],"status":"published","title":"An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before...","description":"An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3. An unauthenticated user can trigger a persistent XSS vulnerability found in the WAF log page (Control Center -\u003e Log Viewer -\u003e in the filter option \"Web Server Protection\") in the webadmin interface, and execute any action available to the webadmin of the firewall (e.g., creating a new user, enabling SSH, or adding an SSH authorized key). The WAF log page will execute the \"User-Agent\" parameter in the HTTP POST request.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02307,"percentile":0.83469,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2018-01-12T17:00:00Z","modified":"2026-06-17T01:12:02Z","products":[{"vendor":"sophos","product":"sfos"}],"references":[{"url":"https://community.sophos.com/products/xg-firewall/b/xg-blog/posts/sfos-17-0-3-mr3-released","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2018/Jan/24","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://community.sophos.com/kb/en-us/128024","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://blogs.securiteam.com/index.php/archives/3612","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18014"},{"url":"https://github.com/advisories/GHSA-9x6w-27m6-6fwq"}],"sources":{"cve":[{"id":"CVE-2017-18014","description":"An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3. An unauthenticated user can trigger a persistent XSS vulnerability found in the WAF log page (Control Center -\u003e Log Viewer -\u003e in the filter option \"Web Server Protection\") in the webadmin interface, and execute any action available to the webadmin of the firewall (e.g., creating a new user, enabling SSH, or adding an SSH authorized key). The WAF log page will execute the \"User-Agent\" parameter in the HTTP POST request.","status":"published","published":"2018-01-12T17:00:00Z","modified":"2024-08-05T21:06:50.119Z","updated_at":"2026-11-02T14:33:21.747294Z"}],"euvd":[{"id":"EUVD-2017-9154","description":"An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3. An unauthenticated user can trigger a persistent XSS vulnerability found in the WAF log page (Control Center -\u003e Log Viewer -\u003e in the filter option \"Web Server Protection\") in the webadmin interface, and execute any action available to the webadmin of the firewall (e.g., creating a new user, enabling SSH, or adding an SSH authorized key). The WAF log page will execute the \"User-Agent\" parameter in the HTTP POST request.","status":"published","published":"2018-01-12T17:00:00Z","modified":"2024-08-05T21:06:50Z","updated_at":"2026-11-03T02:23:08.049216Z"}],"ghsa":[{"id":"GHSA-9x6w-27m6-6fwq","title":"An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before...","description":"An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3. An unauthenticated user can trigger a persistent XSS vulnerability found in the WAF log page (Control Center -\u003e Log Viewer -\u003e in the filter option \"Web Server Protection\") in the webadmin interface, and execute any action available to the webadmin of the firewall (e.g., creating a new user, enabling SSH, or adding an SSH authorized key). The WAF log page will execute the \"User-Agent\" parameter in the HTTP POST request.","status":"published","published":"2022-05-14T03:46:09Z","modified":"2023-02-03T05:00:32Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:52:48.49301Z"}],"nvd":[{"id":"CVE-2017-18014","description":"An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3. An unauthenticated user can trigger a persistent XSS vulnerability found in the WAF log page (Control Center -\u003e Log Viewer -\u003e in the filter option \"Web Server Protection\") in the webadmin interface, and execute any action available to the webadmin of the firewall (e.g., creating a new user, enabling SSH, or adding an SSH authorized key). The WAF log page will execute the \"User-Agent\" parameter in the HTTP POST request.","status":"published","published":"2018-01-12T17:29:01.07Z","modified":"2026-06-17T01:12:02.263Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:04:13.257031Z"}]}}