CVE-2020-25243 Path traversal in LOGO! Soft Comfort

Q: Is CVE-2020-25243 being exploited?

There is no known exploitation of CVE-2020-25243 in the wild and no public exploit code.

Q: How do I fix CVE-2020-25243?

No fix has been published for CVE-2020-25243 yet. Limit exposure of the affected software until one is available.

Medium 5.1 Published 22 Apr 2021 Updated 19 Nov 2024

Attackers can exploit a zip slip vulnerability in LOGO! Soft Comfort to execute arbitrary code and potentially take over the system.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-25243?

CVE-2020-25243 is a medium-severity path traversal vulnerability in Siemens LOGO! Soft Comfort, published on 22 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been identified in LOGO! Soft Comfort (All versions < V8.4). A zip slip vulnerability could be triggered while importing a compromised project file to the affected software. Chained with other vulnerabilities this vulnerability could ultimately lead to a system takeover by an attacker.

Weakness: CWE-22

Which versions are affected by CVE-2020-25243?

It affects 1 product.

Products include Siemens Logo\! Soft Comfort.

How do I fix CVE-2020-25243?

No fix has been published for CVE-2020-25243 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-2020-25243 being exploited?

There is no known exploitation of CVE-2020-25243 in the wild and no public exploit code.

Sources

Also known as GHSA-jxjm-m65c-whjc.