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CVE-2021-25640— Open Redirect or SSRF vulnerability usage of parseURL

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 2.6.9和2.7.9之前版本存在安全漏洞，该漏洞源于使用parseURL方法会导致绕过白色主机检查，从而导致打开重定向或SSRF漏洞。

AI Predicted 6.9 Difficulty: Easy EPSS 2.07% · P81
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I. Basic Information for CVE-2021-25640

Vulnerability Information
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Vulnerability Title
Open Redirect or SSRF vulnerability usage of parseURL
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache Dubbo prior to 2.6.9 and 2.7.9, the usage of parseURL method will lead to the bypass of white host check which can cause open redirect or SSRF vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
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 2.6.9和2.7.9之前版本存在安全漏洞，该漏洞源于使用parseURL方法会导致绕过白色主机检查，从而导致打开重定向或SSRF漏洞。
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-2021-25640

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III. Intelligence Information for CVE-2021-25640

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Mailing List Discussions for CVE-2021-25640 (1)

Same Patch Batch · Apache Software Foundation · 2021-05-31 · 3 CVEs total

CVE-2021-30180 Apache Dubbo RCE on customers via Condition route poisoning (Unsafe YAML unmarshaling)
CVE-2021-30179 Apache Dubbo Pre-auth RCE via Java deserialization in the Generic filter

IV. Related Vulnerabilities

Same product: Apache Dubbo
Same vendor: Apache Software Foundation
Same weakness: CWE-918

V. Comments for CVE-2021-25640

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