CVE-2021-32980
Critical
Description
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 does not protect against additional software programming connections. An attacker can connect to the PLC while an existing connection is already active.
SeverityCritical
CVSS9.8
Exploit probability—
ProductAutomationdirect C0-10dd1e-d Firmware
PublishedApr 4, 2022
First seenApr 4, 2022
Weakness typeCWE-288CWE-288
How to fix
Update
- automationdirect c0-10dd1e-d_firmware3.00 or later
- automationdirect c0-10dd2e-d_firmware3.00 or later
- automationdirect c0-10dre-d_firmware3.00 or later
- automationdirect c0-10are-d_firmware3.00 or later
- automationdirect c0-11dd1e-d_firmware3.00 or later
- automationdirect c0-11dd2e-d_firmware3.00 or later
- automationdirect c0-11dre-d_firmware3.00 or later
- automationdirect c0-11are-d_firmware3.00 or later
- automationdirect c0-12dd1e-d_firmware3.00 or later
- automationdirect c0-12dd2e-d_firmware3.00 or later
- automationdirect c0-12dre-d_firmware3.00 or later
- automationdirect c0-12are-d_firmware3.00 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| automationdirect c0-10dd1e-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-10dd2e-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-10dre-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-10are-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-11dd1e-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-11dd2e-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-11dre-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-11are-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dd1e-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dd2e-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dre-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12are-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dd1e-1-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dd2e-1-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dre-1-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12are-1-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dd1e-2-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dd2e-2-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12dre-2-d_firmware | v < 3.00 | 3.00 |
| automationdirect c0-12are-2-d_firmware | v < 3.00 | 3.00 |
Check your version
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