What’s Vulnerable › Vulnerabilities

CVE-2020-25803: Authenticated attackers with developer privileges in Crafter Studio may execute OS commands via deep inspection of FreeMarker template exposed objects.

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-06 · updated 2026-06-17
• Weakness: CWE-913

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.

Affected products

• CrafterCMS Studio: from 3.0.0 before 3.0.27; from 3.1.0 before 3.1.7 — fixed in 3.0.27, 3.1.7

How to fix

Upgrade to a fixed version: CrafterCMS Studio 3.0.27, 3.1.7. Check the vendor advisory for mitigations.

References

• https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2020080102
• https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2020080102

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