Facility Explorer
CVE-2021-27661

8.8HIGH

Key Information:

Vendor

Johnson Controls

Status
Facility Explorer Snc Series Supervisory Controllers (f4-snc)
Vendor
CVE Published:
1 July 2021

What is 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.

Affected Version(s)

Facility Explorer SNC Series Supervisory Controllers (F4-SNC) Facility Explorer SNC Series Supervisory Controllers version 11 11

References

https://www.johnsoncontrols.com/cyber-solutions/security-...
x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-182-01
third-party-advisoryx_refsource_CERT

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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