CVE-2021-21000
Medium
Description
On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.
SeverityMedium
CVSS5.3
Exploit probability—
ProductWago 750-823 Firmware
PublishedMay 24, 2021
First seenMay 24, 2021
Weakness typeCWE-770Allocation of resources without limits
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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