What’s Vulnerable › Vulnerabilities

CVE-2018-18435

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-21 · updated 2026-06-17
• Weakness: CWE-732

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.

Affected products

• Kioware Server: through 4.9.6

References

• http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html
• https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md
• https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update
• https://www.exploit-db.com/exploits/46093/
• https://www.kioware.com/patch.aspx
• http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html
• https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md
• https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update
• https://www.exploit-db.com/exploits/46093/
• https://www.kioware.com/patch.aspx

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