CVE-2020-12499 PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier: Improper path sanitation vulnerability.
Attackers can exploit improper path sanitation during project file import to read or modify arbitrary files on the system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-12499?
CVE-2020-12499 is a high-severity path traversal vulnerability in PHOENIX CONTACT PLCnext Engineer, published on 21 Jul 2020. 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
In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.
Weakness: CWE-22
Which versions are affected by CVE-2020-12499?
It affects 1 product.
Products include Phoenixcontact Plcnext Engineer.
How do I fix CVE-2020-12499?
No fix has been published for CVE-2020-12499 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-2020-12499 being exploited?
There is no known exploitation of CVE-2020-12499 in the wild and no public exploit code.
Sources
Also known as GHSA-7wjc-2c4g-g553.