CVE-2021-32978
High
Description
The programming protocol allows for a previously entered password and lock state to be read by an attacker. If the previously entered password was successful, the attacker can then use the password to unlock Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00.
SeverityHigh
CVSS7.5
Exploit probability—
ProductAutomationdirect C0-10dd1e-d Firmware
PublishedApr 4, 2022
First seenApr 4, 2022
Weakness typeCWE-256CWE-256
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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