CVE-2021-21001
Critical
Description
On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.
SeverityCritical
CVSS9.1
Exploit probability—
ProductWago 750-823 Firmware
PublishedMay 24, 2021
First seenMay 24, 2021
Weakness typeCWE-22Path traversal
How to fix
Update
- wago 750-823_firmwarefw08 or later
- wago 750-829_firmwarefw15 or later
- wago 750-831_firmwarefw15 or later
- wago 750-832_firmwarefw08 or later
- wago 750-852_firmwarefw15 or later
- wago 750-862_firmwarefw08 or later
- wago 750-880_firmwarefw16 or later
- wago 750-881_firmwarefw15 or later
- wago 750-882_firmwarefw15 or later
- wago 750-885_firmwarefw15 or later
- wago 750-889_firmwarefw15 or later
- wago 750-890_firmwarefw08 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wago 750-823_firmware | v < fw08 | fw08 |
| wago 750-829_firmware | v < fw15 | fw15 |
| wago 750-831_firmware | v < fw15 | fw15 |
| wago 750-832_firmware | v < fw08 | fw08 |
| wago 750-852_firmware | v < fw15 | fw15 |
| wago 750-862_firmware | v < fw08 | fw08 |
| wago 750-880_firmware | v < fw16 | fw16 |
| wago 750-881_firmware | v < fw15 | fw15 |
| wago 750-882_firmware | v < fw15 | fw15 |
| wago 750-885_firmware | v < fw15 | fw15 |
| wago 750-889_firmware | v < fw15 | fw15 |
| wago 750-890_firmware | v < fw08 | fw08 |
| wago 750-891_firmware | v < fw08 | fw08 |
| wago 750-893_firmware | v < fw08 | fw08 |
| wago 750-8202_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8203_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8204_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8206_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8207_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8208_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8210_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8211_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8212_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8213_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8214_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8216_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago 750-8217_firmware | v < 03.06.19_\(18\) | 03.06.19_\(18\) |
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