CVE-2021-36163

CRITICAL

Apache Dubbo - RCE

Title source: llm

Description

In Apache Dubbo, users may choose to use the Hessian protocol. The Hessian protocol is implemented on top of HTTP and passes the body of a POST request directly to a HessianSkeleton: New HessianSkeleton are created without any configuration of the serialization factory and therefore without applying the dubbo properties for applying allowed or blocked type lists. In addition, the generic service is always exposed and therefore attackers do not need to figure out a valid service/method name pair. This is fixed in 2.7.13, 2.6.10.1

References (1)

[Mailing List, Vendor Advisory] https://lists.apache.org/thread.html/r8d0adc057bb15a37199502cc366f4b1164c9c536ce28e4defdb428c0%40%3Cdev.dubbo.apache.org%3E

Scores

CVSS v3 9.8

EPSS 0.0121

EPSS Percentile 78.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-502

Status published

Affected Products (2)

apache/dubbo < 2.7.12

org.apache.dubbo/dubbo < 2.7.13Maven

Timeline

Published Sep 07, 2021

Tracked Since Feb 18, 2026