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CVE-2021-30181— Apache Dubbo RCE on customers via Script route poisoning (Nashorn script injection)

Quick assessment

Affected
Apache Software Foundation Apache Dubbo
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 Dubbo是美国阿帕奇（Apache）基金会的一款基于Java的轻量级RPC（远程过程调用）框架。该产品提供了基于接口的远程呼叫、容错和负载平衡以及自动服务注册和发现等功能。 Apache Dubbo 2.6.9和2.7.9之前存在安全漏洞，该漏洞允许执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 60.86% · P99
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I. Basic Information for CVE-2021-30181

Vulnerability Information
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Vulnerability Title
Apache Dubbo RCE on customers via Script route poisoning (Nashorn script injection)
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Dubbo prior to 2.6.9 and 2.7.9 supports Script routing which will enable a customer to route the request to the right server. These rules are used by the customers when making a request in order to find the right endpoint. When parsing these rules, Dubbo customers use ScriptEngine and run the rule provided by the script which by default may enable executing arbitrary code.
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 Dubbo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Dubbo是美国阿帕奇（Apache）基金会的一款基于Java的轻量级RPC（远程过程调用）框架。该产品提供了基于接口的远程呼叫、容错和负载平衡以及自动服务注册和发现等功能。 Apache Dubbo 2.6.9和2.7.9之前存在安全漏洞，该漏洞允许执行任意代码。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Dubbo Apache Dubbo 2.7.x ~ 2.7.9 -

II. Public POCs for CVE-2021-30181

# POC Description Source Link Shenlong Link
1 None https://github.com/shoucheng3/apache__incubator-dubbo_CVE-2021-30181_2-6-8 POC Details
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III. Intelligence Information for CVE-2021-30181

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Mailing List Discussions for CVE-2021-30181 (1)

IV. Related Vulnerabilities

Same product: Apache Dubbo
Same vendor: Apache Software Foundation

V. Comments for CVE-2021-30181

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