What is CVE-2021-36774?

CVE-2021-36774 is a vulnerability in Apache Kylin that allows users to read data from other database systems using JDBC, potentially enabling an attacker to execute arbitrary code from a malicious MySQL server within Kylin server processes.

What is the severity of CVE-2021-36774?

The severity of CVE-2021-36774 is medium with a severity score of 6.5.

Which software versions are affected by CVE-2021-36774?

The affected software versions are Apache Kylin versions 2.0.0 to 2.6.6 and Apache Kylin versions 3.0.0 to 3.1.2.

How can I mitigate CVE-2021-36774?

To mitigate CVE-2021-36774, it is recommended to update Apache Kylin to version 3.1.3 which includes the necessary fix.

Where can I find more information about CVE-2021-36774?

You can find more information about CVE-2021-36774 on the NIST National Vulnerability Database (NVD) at https://nvd.nist.gov/vuln/detail/CVE-2021-36774 and on the Apache mailing list at https://lists.apache.org/thread/lchpcvoolc6w8zc6vo1wstk8zbfqv2ow.

Vulnerability/
CVE-2021-36774

medium

6.5

CWE

89 668

6/1/2022

8/1/2022

4/8/2024

CVE-2021-36774: Mysql JDBC Connector Deserialize RCE

First published: Thu Jan 06 2022(Updated: )

Apache Kylin allows users to read data from other database systems using JDBC. The MySQL JDBC driver supports certain properties, which, if left unmitigated, can allow an attacker to execute arbitrary code from a hacker-controlled malicious MySQL server within Kylin server processes. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions.

Credit: security@apache.org security@apache.org

Affected Software	Affected Version	How to fix
Apache Kylin	>=2.0.0<=2.6.6
Apache Kylin	>=3.0.0<=3.1.2

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Frequently Asked Questions

What is CVE-2021-36774?
CVE-2021-36774 is a vulnerability in Apache Kylin that allows users to read data from other database systems using JDBC, potentially enabling an attacker to execute arbitrary code from a malicious MySQL server within Kylin server processes.
What is the severity of CVE-2021-36774?
The severity of CVE-2021-36774 is medium with a severity score of 6.5.
Which software versions are affected by CVE-2021-36774?
The affected software versions are Apache Kylin versions 2.0.0 to 2.6.6 and Apache Kylin versions 3.0.0 to 3.1.2.
How can I mitigate CVE-2021-36774?
To mitigate CVE-2021-36774, it is recommended to update Apache Kylin to version 3.1.3 which includes the necessary fix.
Where can I find more information about CVE-2021-36774?
You can find more information about CVE-2021-36774 on the NIST National Vulnerability Database (NVD) at https://nvd.nist.gov/vuln/detail/CVE-2021-36774 and on the Apache mailing list at https://lists.apache.org/thread/lchpcvoolc6w8zc6vo1wstk8zbfqv2ow.

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alias/CVE-2021-36774
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package-manager/maven
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canonical/apache kylin
version/apache kylin/2.0.0
version/apache kylin/2.6.6
version/apache kylin/3.0.0
version/apache kylin/3.1.2

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