CVE-2021-27663

CEM Systems AC2000

Description

A vulnerability in versions 10.1 through 10.5 of Johnson Controls CEM Systems AC2000 allows a remote attacker to access to the system without adequate authorization. This issue affects: Johnson Controls CEM Systems AC2000 10.1; 10.2; 10.3; 10.4; 10.5.

Remediation

Solution:

  • Apply a patch to all affected versions and implementations. The fix will also be included in 10.5 Server Feature Pack 2, version 10.6 and all future releases. To access the patch, affected users should contact their CEM support team: https://www.cemsys.com/support/technical-helpdesk/

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.61%
Vendor Advisory johnsoncontrols.com
Affected: Johnson Controls CEM Systems AC2000
Published at:
Updated at:

References

Link Tags
https://www.johnsoncontrols.com/cyber-solutions/security-advisories vendor advisory
https://us-cert.gov/ics/advisories/ICSA-21-238-01 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-27663?
CVE-2021-27663 has been scored as a high severity vulnerability.
How to fix CVE-2021-27663?
To fix CVE-2021-27663: Apply a patch to all affected versions and implementations. The fix will also be included in 10.5 Server Feature Pack 2, version 10.6 and all future releases. To access the patch, affected users should contact their CEM support team: https://www.cemsys.com/support/technical-helpdesk/
Is CVE-2021-27663 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27663 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27663?
CVE-2021-27663 affects Johnson Controls CEM Systems AC2000.
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