PT-2021-17591 · Johnson Controls · Ac2000

Published 2021-08-30 · Updated 2022-10-25 · CVE-2021-27663

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Johnson Controls CEM Systems AC2000 versions 10.1 through 10.5

Description A remote attacker can access the system without adequate authorization due to a vulnerability.

Recommendations For versions 10.1 through 10.5, update to a version that contains a fix for this issue.

Fix

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

CVE-2021-27663

Affected Products

Ac2000

References · 4

• https://johnsoncontrols.com/cyber-solutions/security-advisories · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27663 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27663 · Vendor Advisory
• https://us-cert.gov/ics/advisories/ICSA-21-238-01 · Note