CVE-2018-18435

PoC ×2—

CVSS 3.0

7.8 high

EPSS

1%p70

Published

Mar 21, 2019 (Mar 21, 2019)

Modified

Jun 17, 2026

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.

Vendors: kioware
Products: kioware server
Weakness: CWE-732
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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