{"id":"CVE-2018-18435","aliases":["EUVD-2018-10163","GHSA-cv2p-jhjf-54gq"],"status":"published","title":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder...","description":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder permissions granting any user full permission \"Everyone: (F)\" to the contents of the directory and it's sub-folders. In addition, the program installs a service called \"KWSService\" which runs as \"Localsystem\", this will allow any user to escalate privileges to \"NT AUTHORITY\\SYSTEM\" by substituting the service's binary with a malicious one.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01375,"percentile":0.72214,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-732"],"published":"2019-03-17T19:11:14Z","modified":"2026-06-17T01:47:17Z","exploits":[{"source":"exploitdb","id":"EDB-46093","title":"KioWare Server Version 4.9.6 - Weak Folder Permissions Privilege Escalation","type":"local","platform":"windows","date":"2019-01-07","url":"https://www.exploit-db.com/exploits/46093"}],"products":[{"vendor":"kioware","product":"kioware_server"}],"references":[{"url":"http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/46093/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.kioware.com/patch.aspx","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18435"},{"url":"https://github.com/advisories/GHSA-cv2p-jhjf-54gq"}],"sources":{"cve":[{"id":"CVE-2018-18435","description":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder permissions granting any user full permission \"Everyone: (F)\" to the contents of the directory and it's sub-folders. In addition, the program installs a service called \"KWSService\" which runs as \"Localsystem\", this will allow any user to escalate privileges to \"NT AUTHORITY\\SYSTEM\" by substituting the service's binary with a malicious one.","status":"published","published":"2019-03-17T19:11:14Z","modified":"2024-08-05T11:08:21.833Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2018-10163","description":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder permissions granting any user full permission \"Everyone: (F)\" to the contents of the directory and it's sub-folders. In addition, the program installs a service called \"KWSService\" which runs as \"Localsystem\", this will allow any user to escalate privileges to \"NT AUTHORITY\\SYSTEM\" by substituting the service's binary with a malicious one.","status":"published","published":"2019-03-17T19:11:14Z","modified":"2024-08-05T11:08:21Z","updated_at":"2026-11-03T02:39:36.317092Z"}],"ghsa":[{"id":"GHSA-cv2p-jhjf-54gq","title":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder...","description":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder permissions granting any user full permission \"Everyone: (F)\" to the contents of the directory and it's sub-folders. In addition, the program installs a service called \"KWSService\" which runs as \"Localsystem\", this will allow any user to escalate privileges to \"NT AUTHORITY\\SYSTEM\" by substituting the service's binary with a malicious one.","status":"published","published":"2022-05-13T01:50:41Z","modified":"2023-02-02T05:01:58Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:51:19.116576Z"}],"nvd":[{"id":"CVE-2018-18435","description":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder permissions granting any user full permission \"Everyone: (F)\" to the contents of the directory and it's sub-folders. In addition, the program installs a service called \"KWSService\" which runs as \"Localsystem\", this will allow any user to escalate privileges to \"NT AUTHORITY\\SYSTEM\" by substituting the service's binary with a malicious one.","status":"published","published":"2019-03-21T16:00:28.373Z","modified":"2026-06-17T01:47:17.8Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:04:54.21788Z"}]}}