Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-36162— Unprotected yaml deserialization cause RCE

Quick assessment

Affected
Apache Software Foundation Apache Dubbo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 存在安全漏洞，有权访问配置中心的攻击者将能够毒化规则，当消费者检索到时，它将获得所有用户的 RCE。

AI Predicted 9.8 Difficulty: Easy EPSS 2.26% · P82

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-36162

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Unprotected yaml deserialization cause RCE
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Dubbo supports various rules to support configuration override or traffic routing (called routing in Dubbo). These rules are loaded into the configuration center (eg: Zookeeper, Nacos, ...) and retrieved by the customers when making a request in order to find the right endpoint. When parsing these YAML rules, Dubbo customers will use SnakeYAML library to load the rules which by default will enable calling arbitrary constructors. An attacker with access to the configuration center he will be able to poison the rule so when retrieved by the consumers, it will get RCE on all of them. This was fixed in Dubbo 2.7.13, 3.0.2
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 代码问题漏洞
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 存在安全漏洞，有权访问配置中心的攻击者将能够毒化规则，当消费者检索到时，它将获得所有用户的 RCE。
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 ~ 2.7.12 -

II. Public POCs for CVE-2021-36162

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-36162

请登录查看更多情报信息。

Mailing List Discussions for CVE-2021-36162 (1)

IV. Related Vulnerabilities

Same product: Apache Dubbo
Same vendor: Apache Software Foundation

V. Comments for CVE-2021-36162

No comments yet

Leave a comment