Johnson Controls Facility Explorer
Sending specifically crafted web messages to the Facility Explorer SNC Series Supervisory Controller (F4-SNC) could give an authenticated F4-SNC user unintended access to the controller 's file system, which may allow an attacker to access or modify system files.CVE-2021-27661 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).