Improper Authorization in Johnson Controls CEM Systems AC2000
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-27663 |
| CWE-ID | CWE-285 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
CEM Systems AC2000 Server applications / Other server solutions |
| Vendor | Johnson Controls |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Improper Authorization
EUVDB-ID: #VU56123
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-27663
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to the application does not perform an adequate authorization check for functionality that requires a provable user identity. A remote attacker can bypass authorization checks on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCEM Systems AC2000: 10.1 - 10.5
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-21-238-01
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
