CVE-2021-27663

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 9.3 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://us-cert.gov/ics/advisories/ICSA-21-238-01	Third Party Advisory US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:johnsoncontrols:ac2000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:johnsoncontrols:ac2000:-:*:*:*:*:*:*:*

History

25 Oct 2022, 18:00

Type	Values Removed	Values Added
CWE	~~CWE-863~~	NVD-CWE-Other

07 Sep 2021, 16:39

Type	Values Removed	Values Added
References	~~(CONFIRM) https://www.johnsoncontrols.com/cyber-solutions/security-advisories -~~	(CONFIRM) https://www.johnsoncontrols.com/cyber-solutions/security-advisories - Vendor Advisory
References	~~(CERT) https://us-cert.gov/ics/advisories/ICSA-21-238-01 -~~	(CERT) https://us-cert.gov/ics/advisories/ICSA-21-238-01 - Third Party Advisory, US Government Resource
CWE		CWE-863
CPE		cpe:2.3:h:johnsoncontrols:ac2000:-:::::::* cpe:2.3:o:johnsoncontrols:ac2000_firmware::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 9.3 v3 : 9.8

30 Aug 2021, 18:38

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-30 18:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-27663

Mitre link : CVE-2021-27663

CVE.ORG link : CVE-2021-27663

JSON object : View

Products Affected

johnsoncontrols

ac2000_firmware
ac2000

CWE

NVD-CWE-Other CWE-285

Improper Authorization

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