Kio Firmware
CVE-2022-28223
HIGH
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Tekon KIO devices through 2022-03-30 allow an authenticated admin user to escalate privileges to root by uploading a malicious Lua plugin.
AnalysisAI
Tekon KIO devices through 2022-03-30 allow an authenticated admin user to escalate privileges to root by uploading a malicious Lua plugin. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Tekon KIO devices through 2022-03-30 allow an authenticated admin user to escalate privileges to root by uploading a malicious Lua plugin. Affected products include: Tekon Kio Firmware, Tekon Kio-1M Firmware, Tekon Kio-2Mrs Firmware, Tekon Kio-2M Firmware, Tekon Kio-2Ms Firmware. Version information: through 2022.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.
Same technique File Upload
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External POC / Exploit Code
Leaving vuln.today