CVE-2020-7565: Weak Encryption
First published: Thu Nov 19 2020(Updated: )
A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider-electric Modicon M221 Firmware | ||
| Schneider-electric Modicon M221 | ||
| Schneider Electric Modicon M221 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-7565.
What is the severity of CVE-2020-7565?
The severity of CVE-2020-7565 is high with a severity value of 7.3.
Which software is affected by CVE-2020-7565?
Modicon M221 (all references, all versions) is affected by CVE-2020-7565.
How does CVE-2020-7565 exploit the vulnerability?
CVE-2020-7565 allows the attacker to break the encryption key when they have captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
How can I fix CVE-2020-7565?
To fix CVE-2020-7565, update to the latest version of Modicon M221 firmware as provided by Schneider-electric.
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