CVE-2021-23259— Groovy Sandbox Bypass
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I. Basic Information for CVE-2021-23259
Vulnerability Information
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Vulnerability Title
Groovy Sandbox Bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
Authenticated users with Administrator or Developer roles may execute OS commands by Groovy Script which uses Groovy lib to render a webpage. The groovy script does not have security restrictions, which will cause attackers to execute arbitrary commands remotely(RCE).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
动态管理代码资源的控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Crafter CMS 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Crafter CMS是一套面向数字体验应用程序的开源内容管理系统（CMS）。 Crafter CMS 中存在访问控制错误漏洞，该漏洞源于系统未对groovy脚本进行有效验证。具有管理员、开发者权限的攻击者可通过该漏洞使用groovy lib 渲染页面并执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Crafter Software | Crafter CMS | 3.1 ~ 3.1.12 | - |
II. Public POCs for CVE-2021-23259
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Crafter Software · 2021-12-02 · 7 CVEs total
| CVE-2021-23264 | 8.1 HIGH | Transmission of Private Resources into a New Sphere ('Resource Leak') and Exposure of Reso |
| CVE-2021-23260 | 6.5 MEDIUM | Stored XSS Vulnerability in File Name of the File Upload function |
| CVE-2021-23263 | 5.9 MEDIUM | Transmission of Private Resources into a New Sphere ('Resource Leak') in Crafter Engine |
| CVE-2021-23261 | 4.5 MEDIUM | Overriding the system configuration file causes a denial of service |
| CVE-2021-23258 | 4.2 MEDIUM | Spring SPEL Expression Language Injection |
| CVE-2021-23262 | 4.2 MEDIUM | Snakeyaml deserialization vulnerability bypass |
IV. Related Vulnerabilities
Same product: Crafter CMS
- CVE-2022-40635
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2022-40634
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23267
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23266
Improper Output Neutralization for Logs in Crafter Studio - CVE-2021-23265
Improper Privilege Management in Crafter Studio
Same vendor: Crafter Software
- CVE-2022-40635
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2022-40634
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23267
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23266
Improper Output Neutralization for Logs in Crafter Studio - CVE-2021-23265
Improper Privilege Management in Crafter Studio
Same weakness: CWE-913
- CVE-2026-34156
NocoBase Affected by Sandbox Escape to RCE via console._stdo - CVE-2026-33286
Graphiti Affected by Arbitrary Method Execution via Unvalida - CVE-2025-69219
Apache Airflow Providers Http: Unsafe Pickle Deserialization - CVE-2026-25049
n8n Has an Expression Escape Vulnerability Leading to RCE - CVE-2026-1770
Improper Control of Dynamically-Managed Code Resources in Cr
V. Comments for CVE-2021-23259
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