CVE-2021-27661

Facility Explorer

State: Published
Severity: 8.8 High
Published: Jul 1, 2021
Updated: Sep 16, 2024
Reserved: Feb 24, 2021

Description

Successful exploitation of this vulnerability could give an authenticated Facility Explorer SNC Series Supervisory Controller (F4-SNC) user an unintended level of access to the controller’s file system, allowing them to access or modify system files by sending specifically crafted web messages to the F4-SNC.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	jci

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
Facility Explorer SNC Series Supervisory Controllers (F4-SNC)Johnson Controls	Facility Explorer SNC Series Supervisory Controllers version 11 11Affected

References

https://www.johnsoncontrols.com/cyber-solutions/security-advisories
ICS-CERT Advisorythird-party-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.