CVE-2021-23267 Improper Control of Dynamically-Managed Code Resources in Crafter Studio
Authenticated developers can execute OS commands via FreeMarker static methods in Crafter Studio, allowing arbitrary code execution.
- 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-2021-23267?
CVE-2021-23267 is a high-severity code injection vulnerability in Crafter CMS, published on 16 May 2022. 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 static methods.
Weakness: CWE-913
Which versions are affected by CVE-2021-23267?
2 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 3.1.0 | 3.1.18 |
org.craftercms:crafter-studio Maven | From 3.1.0 | 3.1.18 |
Products include Craftercms Crafter Cms.
How do I fix CVE-2021-23267?
Upgrade org.craftercms:crafter-studio to 3.1.18 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-23267 being exploited?
There is no known exploitation of CVE-2021-23267 in the wild and no public exploit code.
Other vulnerabilities in Crafter CMS
- CVE-2017-15681 Path Traversal in Crafter CMS Crafter Studio
- CVE-2018-19907 OS Command Injection in craftercms:crafter-studio
- CVE-2017-15683 XML injection in Crafter CMS
- CVE-2017-15685 XML Injection in Crafter CMS Crafter Studio 3.0.1
- CVE-2021-23264 Exposure of Resource to Wrong Sphere in org.craftercms:crafter-search
Sources
Also known as GHSA-r6fx-55x3-f9x6.