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CVE-2022-28223

24
FAUCET Score

CVE-2022-28223 describes a privilege escalation vulnerability in Tekon KIO devices, allowing an authenticated administrator to gain root access by uploading a malicious Lua plugin. This high-severity flaw (CVSS 7.2) has a low attack complexity and can lead to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2022-03-30CPE matchmatch criteria
cpe:2.3:o:tekon:kio_firmware:*:*:*:*:*:*:*:*
<= 2022-03-30CPE matchmatch criteria
cpe:2.3:o:tekon:kio-1m_firmware:*:*:*:*:*:*:*:*
<= 2022-03-30CPE matchmatch criteria
cpe:2.3:o:tekon:kio-2mrs_firmware:*:*:*:*:*:*:*:*
<= 2022-03-30CPE matchmatch criteria
cpe:2.3:o:tekon:kio-2m_firmware:*:*:*:*:*:*:*:*
<= 2022-03-30CPE matchmatch criteria
cpe:2.3:o:tekon:kio-2ms_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 48th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

medium.com / %40bertinjoseb/post-auth-rce-based-in-malicious-lua-plugin-script-upload-scada-controllers-located-in-russia-57044425ac38