Description
A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Modicon M221, all references, all versions | Modicon M221, all references, all versions | — |
Advisories 2
- SEVD-2020-315-05 Modicon M100/M200/M221 Programmable Logic Controller Schneider Electric CPCERT · Jan 12, 2021
- ICSA-20-343-04 Schneider Electric Modicon M221 Programmable Logic Controller CISA ICS & IT advisories · Dec 8, 2020