CVE-2021-43555: mySCADA myDESIGNER

Published Nov 19, 2021
·
Updated

mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.

Affected Software

2 affected components
mySCADA myDESIGNER<=8.20.0
mySCADA myDESIGNER<=8.20.0

Remediation

Information

mySCADA recommends users apply update v8.22.0 or later. Upgrade note: RFID card access has been redesigned. If a user uses an RFID card to login, the user will need to re-enter the password for all RFID users in the project after the update is applied.

Event History

Nov 19, 2021
CVE Published
via MITRE·06:16 PM
Data Sourced
via MITRE·06:16 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2021-43555?

CVE-2021-43555 is classified as a high severity vulnerability due to the potential for arbitrary file planting.

2

How do I fix CVE-2021-43555?

To mitigate CVE-2021-43555, ensure you upgrade mySCADA myDESIGNER to version 8.21.0 or later where the vulnerability is addressed.

3

What types of systems are affected by CVE-2021-43555?

CVE-2021-43555 affects mySCADA myDESIGNER versions 8.20.0 and prior.

4

What can an attacker do with CVE-2021-43555?

An attacker exploiting CVE-2021-43555 may plant files on the file system in arbitrary locations.

5

Is CVE-2021-43555 a remote vulnerability?

CVE-2021-43555 can be exploited locally through the import of malicious project files by an authorized user.

Contact

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