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CVE-2020-17530

Quick assessment

Affected
Apache Software Foundation Apache Struts
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Struts是美国阿帕奇（Apache）基金会的一个开源项目，是一套用于创建企业级Java Web应用的开源MVC框架，主要提供两个版本框架产品，Struts 1和Struts 2。 Struts 存在代码注入漏洞，攻击者可利用该漏洞可以通过强迫Struts的OGNL评估来使用漏洞来运行代码。

AI Predicted 9.8 Difficulty: Easy KEV EPSS 95.93% · P100

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-17530

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Struts 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Struts是美国阿帕奇（Apache）基金会的一个开源项目，是一套用于创建企业级Java Web应用的开源MVC框架，主要提供两个版本框架产品，Struts 1和Struts 2。 Struts 存在代码注入漏洞，攻击者可利用该漏洞可以通过强迫Struts的OGNL评估来使用漏洞来运行代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Struts Struts 2.0.0 - Struts 2.5.25 -

II. Public POCs for CVE-2020-17530

# POC Description Source Link Shenlong Link
1 None https://github.com/ka1n4t/CVE-2020-17530 POC Details
2 S2-061 的payload，以及对应简单的PoC/Exp https://github.com/wuzuowei/CVE-2020-17530 POC Details
3 S2-061 CVE-2020-17530 https://github.com/Al1ex/CVE-2020-17530 POC Details
4 CVE-2020-17530-strust2-061 https://github.com/fengziHK/CVE-2020-17530-strust2-061 POC Details
5 (cve-2020-17530) struts2_s2-061 freemarker_RCE testscript https://github.com/ludy-dev/freemarker_RCE_struts2_s2-061 POC Details
6 None https://github.com/CyborgSecurity/CVE-2020-17530 POC Details
7 None https://github.com/uzzzval/CVE-2020-17530 POC Details
8 None https://github.com/killmonday/CVE-2020-17530-s2-061 POC Details
9 Struts2 S2-061 远程命令执行漏洞（CVE-2020-17530） https://github.com/keyuan15/CVE-2020-17530 POC Details
10 Vulnerable environment of CVE-2020-17530 (S2-061) for testing https://github.com/nth347/CVE-2020-17530 POC Details
11 Apache Struts2框架是一个用于开发Java EE网络应用程序的Web框架。Apache Struts于2020年12月08日披露 S2-061 Struts 远程代码执行漏洞（CVE-2020-17530），在使用某些tag等情况下可能存在OGNL表达式注入漏洞，从而造成远程代码执行，风险极大。提醒我校Apache Struts用户尽快采取安全措施阻止漏洞攻击。 https://github.com/secpool2000/CVE-2020-17530 POC Details
12 Apache Struts 2.0.0 through Struts 2.5.25 is susceptible to remote code execution because forced OGNL evaluation, when evaluated on raw user input in tag attributes, may allow it. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-17530.yaml POC Details
13 None https://github.com/Threekiii/Awesome-POC/blob/master/%E4%B8%AD%E9%97%B4%E4%BB%B6%E6%BC%8F%E6%B4%9E/Apache%20Struts2%20S2-061%20%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2020-17530.md POC Details
14 None https://github.com/fatkz/CVE-2020-17530 POC Details
15 None https://github.com/shoucheng3/apache__struts_CVE-2020-17530_2-5-25 POC Details
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III. Intelligence Information for CVE-2020-17530

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Vendor Advisories for CVE-2020-17530 (8)

Exploits & Public PoCs for CVE-2020-17530 (1)

Mailing List Discussions for CVE-2020-17530 (1)

Other References for CVE-2020-17530 (1)

IV. Related Vulnerabilities

Same product: Apache Struts
Same vendor: Apache Software Foundation

V. Comments for CVE-2020-17530

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