CVE-2021-43297

CRITICAL

Apache Dubbo <2.6.12, <2.7.15, <3.0 - Code Injection

Title source: llm

Description

A deserialization vulnerability existed in dubbo hessian-lite 3.2.11 and its earlier versions, which could lead to malicious code execution. Most Dubbo users use Hessian2 as the default serialization/deserialization protocol, during Hessian catch unexpected exceptions, Hessian will log out some imformation for users, which may cause remote command execution. This issue affects Apache Dubbo Apache Dubbo 2.6.x versions prior to 2.6.12; Apache Dubbo 2.7.x versions prior to 2.7.15; Apache Dubbo 3.0.x versions prior to 3.0.5.

Exploits (2)

inthewild WORKING POC
poc
https://github.com/bitterzzzz/cve-2021-43297-poc
inthewild WORKING POC
poc
https://github.com/longofo/apache-dubbo-hessian2-cve-2021-43297

References (1)

Scores

CVSS v3 9.8
EPSS 0.4630
EPSS Percentile 97.6%
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 < 2.6.12
org.apache.dubbo/dubbo < 2.6.12Maven

Timeline

Published Jan 10, 2022
Tracked Since Feb 18, 2026