CVE-2021-36198

Name: CVE-2021-36198
Creator: NVD / NIST
Published: 2021-12-06T17:15:07.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2021-36198 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Successful exploitation of this vulnerability could allow an unauthorized user to access sensitive data.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

Successful exploitation of this vulnerability could allow an unauthorized user to access sensitive data.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.08%

60.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Johnsoncontrols	Kantech Entrapass	< 8.40

References

https://us-cert.gov/ics/advisories/ICSA-21-336-02Mitigation, Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
https://us-cert.gov/ics/advisories/ICSA-21-336-02Mitigation, Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory

Timeline

Published: Dec 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36198?

Successful exploitation of this vulnerability could allow an unauthorized user to access sensitive data.

How severe is CVE-2021-36198?

CVE-2021-36198 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36198?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36198?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST