CVE-2020-25803 Improper Control of Dynamically-Managed Code Resources in Crafter CMS Crafter Studio
Authenticated developers can execute OS commands via FreeMarker template exposed objects in Crafter Studio.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-25803?
CVE-2020-25803 is a medium-severity code injection vulnerability in Crafter CMS, published on 6 Oct 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of Crafter CMS allows authenticated developers to execute OS commands via FreeMarker template exposed objects. This issue affects: Crafter Software Crafter CMS 3.0 versions prior to 3.0.27; 3.1 versions prior to 3.1.7.
Weakness: CWE-913
Which versions are affected by CVE-2020-25803?
4 open source packages ship an affected version, including org.craftercms:crafter-studio. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.craftercms:crafter-studio Maven | From 3.0 | 3.0.27 |
org.craftercms:crafter-studio Maven | From 3.0 | 3.0.27 |
org.craftercms:crafter-studio Maven | From 3.1 | 3.1.7 |
org.craftercms:crafter-studio Maven | From 3.1 | 3.1.7 |
Products include Craftercms Studio.
How do I fix CVE-2020-25803?
Upgrade org.craftercms:crafter-studio to a fixed version for your release line: 3.0.27 or 3.1.7.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-25803 being exploited?
There is no known exploitation of CVE-2020-25803 in the wild and no public exploit code.
Other vulnerabilities in Crafter CMS
Sources
Also known as GHSA-8786-wg74-f522.