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CVE-2021-27661

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CVE-2021-27661

Published: Jul 1, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

8.8

HIGH

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.

VendorProductVersions

Johnson Controls

Facility Explorer SNC Series Supervisory Controllers (F4-SNC)

affected
Facility Explorer SNC Series Supervisory Controllers version 11 11

Weaknesses (CWE)

CWE-269

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

ICS-CERT Advisory
third-party-advisory
x_refsource_CERT

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