Improper Privilege Management in Facility Explorer SNC Series Supervisory Controller - CVE-2021-27661
Published: July 2, 2021
Vulnerability identifier: #VU54509
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-27661
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Johnson Controls
Affected software:
Facility Explorer SNC Series Supervisory Controller
Facility Explorer SNC Series Supervisory Controller
Detailed vulnerability description
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to improper privilege management. A remote authenticated attacker can send specially crafted web messages and access or modify system files.
How to mitigate CVE-2021-27661
Install updates from vendor's website.