CVE-2021-30180: apache software foundation apache dubbo HTTP Request/Response Smuggling

Vulnerability summary

CVE-2021-30180 is a critical (CVSS 9.8) HTTP Request/Response Smuggling vulnerability in apache software foundation apache dubbo. EPSS estimates a 60.28% chance of exploitation in the next 30 days, higher than 99.1% of scored vulnerabilities.

Timeline

1. 31-05-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

Apache Dubbo prior to 2.7.9 support Tag 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 YAML rules, Dubbo customers may enable calling arbitrary constructors.

• CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.