CVE-2021-43555 mySCADA myDESIGNER
Attackers can exploit path traversal in mySCADA myDESIGNER to plant or overwrite files, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-43555?
CVE-2021-43555 is a high-severity path traversal vulnerability in mySCADA myDESIGNER, published on 19 Nov 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2021-43555?
It affects 1 product.
Products include Myscada Mydesigner.
How do I fix CVE-2021-43555?
No fix has been published for CVE-2021-43555 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-43555 being exploited?
There is no known exploitation of CVE-2021-43555 in the wild and no public exploit code.
Other vulnerabilities in mySCADA myDESIGNER
Sources
Also known as GHSA-hq87-gpw4-cg65.