High severity7.8NVD Advisory· Published Mar 21, 2019· Updated Jun 17, 2026
CVE-2018-18435
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.
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Affected products
1Patches
Vulnerability mechanics
References
5- m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_updatenvdPatchVendor Advisory
- www.kioware.com/patch.aspxnvdPatchVendor Advisory
- packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.htmlnvdExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/46093/nvdExploitThird Party AdvisoryVDB Entry
- github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.mdnvd
News mentions
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