CVE-2025-6384Network attack vector

Authenticated OS command execution via Groovy sandbox bypass

Published Jun 19, 2025 · Updated Jun 23, 2025

Groovy sandbox bypass in CrafterCMS Studio 4.0.0 through 4.2.2 allows remote authenticated users with developer access to execute OS commands. Malicious Groovy elements bypass Studio sandbox restrictions; CrafterCMS has not published the affected code path or failed validation. Developer privileges are required, and commands run with the Studio server process's operating-system permissions.

CVSS severity7.3
High
EPSS probability0.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Groovy sandbox bypass in CrafterCMS Studio 4.0.0 through 4.2.2 allows remote authenticated users with developer access to execute OS commands. Malicious Groovy elements bypass Studio sandbox restrictions; CrafterCMS has not published the affected code path or failed validation. Developer privileges are required, and commands run with the Studio server process's operating-system permissions.

The record

CVE
CVE-2025-6384
Published
Jun 19, 2025
Updated
Jun 23, 2025
Vendor
Crafter Software Corporation
Product
CrafterCMS
Classifications
CWE-913, CAPEC-253, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0.0 <4.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Crafter Software Corporation · CrafterCMSversion=4.0.0 <4.3.0

Published CVSS scores

7.3Crafter CMSCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H
9.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-913Improper Control of Dynamically-Managed Code Resources
CAPEC-253Remote Code Inclusion
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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