CVE-2021-27663
8.2 · HIGHOverview
CVE-2021-27663 is a high-severity vulnerability affecting johnsoncontrols ac2000_firmware. It was published on August 30, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Check the references section for vendor advisories and patches from johnsoncontrols. Update ac2000_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| johnsoncontrols | ac2000_firmware | 10.1 | Affected |
Frequently Asked Questions
What is CVE-2021-27663?
CVE-2021-27663 is a high-severity vulnerability affecting johnsoncontrols ac2000_firmware. It was published on August 30, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
How severe is CVE-2021-27663?
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-27663?
Check the references section for vendor advisories and patches from johnsoncontrols. Update ac2000_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-27663?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-27663 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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