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I. Basic Information for CVE-2020-21523
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Server-Side Freemarker template injection vulnerability in halo CMS v1.1.3 In the Edit Theme File function. The ftl file can be edited. This is the Freemarker template file. This file can cause arbitrary code execution when it is rendered in the background. exp: <#assign test="freemarker.template.utility.Execute"?new()> ${test("touch /tmp/freemarkerPwned")}
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
halo CMS erver-Side Freemarker 模板注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Halo是个人开发者的一套个人博客系统。 halo CMS 1.1.3版本erver-Side Freemarker模板存在注入漏洞,该漏洞源于用户输入构造命令、数据结构或记录的操作过程中,网络系统或产品缺乏对用户输入数据的正确验证,未过滤或未正确过滤掉其中的特殊元素,导致系统或产品产生解析或解释方式错误。
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
VendorProductAffected VersionsCPESubscribe
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II. Public POCs for CVE-2020-21523
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III. Intelligence Information for CVE-2020-21523
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IV. Related Vulnerabilities
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