CVE-2021-27663 CEM Systems AC2000
Remote attackers can bypass authorization to access the CEM Systems AC2000 access control system without proper credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27663?
CVE-2021-27663 is a high-severity missing authorization vulnerability in Johnson Controls CEM Systems AC2000, published on 30 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-285
Which versions are affected by CVE-2021-27663?
It affects 1 product.
Products include Johnsoncontrols Ac2000 Firmware.
How do I fix CVE-2021-27663?
No fix has been published for CVE-2021-27663 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-27663 being exploited?
There is no known exploitation of CVE-2021-27663 in the wild and no public exploit code.
Sources
Also known as GHSA-7w94-337p-g84p.