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CVE-2018-18435
KioWare Server version 4.9.6 and older installs by default to "C:\kioware_com" with weak folder permissions granting any user full…
High7.8EPSS 1.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.4% · top 28% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- 46093 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.kioware.com/patch.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-18435)Record last updated .