CVE-2021-27661 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0019.

Key SSVC decision points have not yet been added.

Vendors	Products
Johnsoncontrols	F4-snc F4-snc Firmware

Configuration 1 [-]

AND

cpe:2.3:o:johnsoncontrols:f4-snc_firmware:11:*:*:*:*:*:*:*

cpe:2.3:h:johnsoncontrols:f4-snc:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-14407	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.

Fixes

Solution

Apply a patch to the Facility Explorer SNC Series Supervisory Controllers (F4-SNC).

Workaround

No workaround given by the vendor.

References

Link	Providers
https://us-cert.cisa.gov/ics/advisories/icsa-21-182-01
https://www.johnsoncontrols.com/cyber-solutions/security-advisories

History

No history.

MITRE

Status: PUBLISHED

Assigner: jci

Published: 2021-07-01T13:41:58.835758Z

Updated: 2024-09-16T22:14:19.833Z

Reserved: 2021-02-24T00:00:00

Link: CVE-2021-27661

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-01T14:15:07.847

Modified: 2024-11-21T05:58:23.873

Link: CVE-2021-27661

Redhat

No data.

OpenCVE Enrichment

No data.

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