CVE-2021-27661

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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisories	Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-182-01	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

AND

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

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

Information

Published : 2021-07-01 07:15

Updated : 2021-07-07 12:11

NVD link : CVE-2021-27661

Mitre link : CVE-2021-27661

JSON object : View

CWE

CWE-863

Incorrect Authorization

Products Affected

johnsoncontrols

f4-snc_firmware
f4-snc

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8.8 /10