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I. Basic Information for CVE-2020-26217
Vulnerability Information
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Vulnerability Title
Remote Code Execution in XStream
Source: NVD (National Vulnerability Database)
Vulnerability Description
XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
XStream 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XStream是XStream（Xstream）团队的一个轻量级的、简单易用的开源Java类库，它主要用于将对象序列化成XML（JSON）或反序列化为对象。 XStream 1.4.14之前版本存在操作系统命令注入漏洞，该漏洞源于容易受到远程代码执行的攻击。攻击者可利用该漏洞仅通过操纵已处理的输入流来运行任意shell命令。只有依赖黑名单的用户才会受到影响。
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
x-streamxstream < 1.4.14 -
II. Public POCs for CVE-2020-26217
#POC DescriptionSource LinkShenlong Link
1CVE-2020-26217 XStream RCE POChttps://github.com/novysodope/CVE-2020-26217-XStream-RCE-POCPOC Details
2CVE-2020-26217 && XStream RCEhttps://github.com/Al1ex/CVE-2020-26217POC Details
3xstream with CVE-2020-26217https://github.com/epicosy/XStream-1POC Details
4XStream before 1.4.14 is susceptible to remote code execution. An attacker can run arbitrary shell commands by manipulating the processed input stream, thereby making it possible to obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site. Users who rely on blocklists are affected. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-26217.yamlPOC Details
5Nonehttps://github.com/cuijiung/xstream-CVE-2020-26217POC Details
6Nonehttps://github.com/shoucheng3/x-stream__xstream_CVE-2020-26217_1-4-14-java7POC Details
7Nonehttps://github.com/shoucheng3/x-stream__xstream_CVE-2020-26217_1-4-14-java77POC Details
8CVE-2020-26217 XStream反序列化的pochttps://github.com/Kairo-one/CVE-2020-26217-XStreamPOC Details
9Nonehttps://github.com/andikahilmy/CVE-2020-26217-xstream-vulnerablePOC Details
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III. Intelligence Information for CVE-2020-26217
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IV. Related Vulnerabilities
Same product: xstream
Same vendor: x-stream
Same weakness: CWE-78
V. Comments for CVE-2020-26217

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