What is CVE-2020-28214?

CVE-2020-28214 is a vulnerability in Modicon M221 that allows an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables.

How does the CVE-2020-28214 vulnerability impact Modicon M221?

The CVE-2020-28214 vulnerability in Modicon M221 could allow an attacker to disable the protection of the device by predicting the hash value using rainbow tables.

What is the severity of CVE-2020-28214?

CVE-2020-28214 has a severity score of 5.5, which is considered medium.

How can I fix the CVE-2020-28214 vulnerability in Modicon M221?

To fix the CVE-2020-28214 vulnerability in Modicon M221, it is recommended to update to the latest firmware version provided by Schneider-electric.

Where can I find more information about CVE-2020-28214?

You can find more information about CVE-2020-28214 on the official Schneider-electric website and the US-CERT advisory.

Vulnerability/
CVE-2020-28214

medium

5.5

CWE

760

11/12/2020

4/8/2024

CVE-2020-28214

First published: Fri Dec 11 2020(Updated: )

A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide.

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

Parent vulnerabilities

(Appears in the following advisories)

ICSA-20-343-04

Frequently Asked Questions

What is CVE-2020-28214?
CVE-2020-28214 is a vulnerability in Modicon M221 that allows an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables.
How does the CVE-2020-28214 vulnerability impact Modicon M221?
The CVE-2020-28214 vulnerability in Modicon M221 could allow an attacker to disable the protection of the device by predicting the hash value using rainbow tables.
What is the severity of CVE-2020-28214?
CVE-2020-28214 has a severity score of 5.5, which is considered medium.
How can I fix the CVE-2020-28214 vulnerability in Modicon M221?
To fix the CVE-2020-28214 vulnerability in Modicon M221, it is recommended to update to the latest firmware version provided by Schneider-electric.
Where can I find more information about CVE-2020-28214?
You can find more information about CVE-2020-28214 on the official Schneider-electric website and the US-CERT advisory.

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canonical/schneider-electric modicon m221 firmware
canonical/schneider-electric modicon m221
vendor/schneider electric
canonical/schneider electric modicon m221

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