CVE-2021-27661
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductJohnsoncontrols F4-snc Firmware
PublishedJul 1, 2021
First seenJul 1, 2021
Weakness typeCWE-269Improper privilege management
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| johnsoncontrols f4-snc_firmware | 11 | — |
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