CVE-2018-18435 affects KioWare Server versions 4.9.6 and older, stemming from weak default folder permissions that grant "Everyone" full control over the installation directory. This misconfiguration allows any local user to escalate privileges to NT AUTHORITY\SYSTEM by replacing the KWSService binary, which runs with LocalSystem privileges, with a malicious executable. Rated with a CVSS score of 7.8 (HIGH), this vulnerability presents a low-complexity local attack vector with high impact on confidentiality, integrity, and availability. While not actively exploited in the wild and absent from the KEV catalog, a public exploit (EDB-46093) exists, though there is minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.9.6CPE matchmatch criteria | cpe:2.3:a:kioware:kioware_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.