CVE-2021-43297

Dubbo Hessian cause RCE when parse error

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 49.19% Top 5%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Dubbo
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/1mszxrvp90y01xob56yp002939c7hlww vendor advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-43297?
CVE-2021-43297 has been scored as a critical severity vulnerability.
How to fix CVE-2021-43297?
To fix CVE-2021-43297, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43297 being actively exploited in the wild?
It is possible that CVE-2021-43297 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~49% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43297?
CVE-2021-43297 affects Apache Software Foundation Apache Dubbo.
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