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CVE-2020-13942— Remote Code Execution in Apache Unomi

Quick assessment

Affected
Apache Software Foundation Apache Unomi
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Unomi是美国阿帕奇软件（Apache Software）基金会的一套开源的客户数据平台。该平台主要使用Java语言编写。 Apache Unomi 1.5.2之前版本存在注入漏洞，该漏洞源于可以将恶意的OGNL或MVEL脚本注入/context.json公共端点。

AI Predicted 9.8 Difficulty: Easy EPSS 68.30% · P99

Public Exploits 1

Nuclei · 1 CVE-2020-13942.yaml [template]
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I. Basic Information for CVE-2020-13942

Vulnerability Information
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Vulnerability Title
Remote Code Execution in Apache Unomi
Source: CVE Program / CVE List V5
Vulnerability Description
It is possible to inject malicious OGNL or MVEL scripts into the /context.json public endpoint. This was partially fixed in 1.5.1 but a new attack vector was found. In Apache Unomi version 1.5.2 scripts are now completely filtered from the input. It is highly recommended to upgrade to the latest available version of the 1.5.x release to fix this problem.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Unomi 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Unomi是美国阿帕奇软件（Apache Software）基金会的一套开源的客户数据平台。该平台主要使用Java语言编写。 Apache Unomi 1.5.2之前版本存在注入漏洞，该漏洞源于可以将恶意的OGNL或MVEL脚本注入/context.json公共端点。
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 Unomi unspecified ~ 1.5.2 -

II. Public POCs for CVE-2020-13942

# POC Description Source Link Shenlong Link
1 None https://github.com/lp008/CVE-2020-13942 POC Details
2 CVE-2020-13942 unauthenticated RCE POC through MVEL and OGNL injection https://github.com/eugenebmx/CVE-2020-13942 POC Details
3 CVE-2020-13942 POC + Automation Script https://github.com/shifa123/CVE-2020-13942-POC- POC Details
4 None https://github.com/blackmarketer/CVE-2020-13942 POC Details
5 CVE-2020-13942 Apache Unomi 远程代码执行漏洞脚getshell https://github.com/yaunsky/Unomi-CVE-2020-13942 POC Details
6 Apache Unomi CVE-2020-13942: RCE Vulnerabilities https://github.com/hoanx4/apche_unomi_rce POC Details
7 None https://github.com/Prodrious/CVE-2020-13942 POC Details
8 None https://github.com/corsisechero/CVE-2020-13942byVulHub POC Details
9 Apache Unomi allows conditions to use OGNL and MVEL scripting which offers the possibility to call static Java classes from the JDK that could execute code with the permission level of the running Java process. This vulnerability affects all versions of Apache Unomi prior to 1.5.2. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-13942.yaml POC Details
10 None https://github.com/Threekiii/Awesome-POC/blob/master/Web%E5%BA%94%E7%94%A8%E6%BC%8F%E6%B4%9E/Apache%20Unomi%20%E8%BF%9C%E7%A8%8B%E8%A1%A8%E8%BE%BE%E5%BC%8F%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2020-13942.md POC Details
11 https://github.com/vulhub/vulhub/blob/master/unomi/CVE-2020-13942/README.md POC Details
12 Apache Unomi CVE-2020-13942: RCE Vulnerabilities https://github.com/dev-team-12x/apche_unomi_rce POC Details
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III. Intelligence Information for CVE-2020-13942

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Mailing List Discussions for CVE-2020-13942 (6)

Other References for CVE-2020-13942 (2)

IV. Related Vulnerabilities

Same product: Apache Unomi
Same vendor: Apache Software Foundation
Same weakness: CWE-20

V. Comments for CVE-2020-13942

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