Vulnerability · Published Jan 6, 2022 · Assigned by apache

CVE-2021-36774Mysql JDBC Connector Deserialize RCE

Medium 6.5

In plain English

A medium-severity security flaw in Apache Kylin from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)2.0%top 19.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.apache.kylin:kylin	3.1.3	GHSA-5429-pjww-7675

Affected products (as reported)

Vendor	Product	Versions
Apache Software Foundation	Apache Kylin	Apache Kylin 2 – through 2.6.6Apache Kylin 3 – through 3.1.2

References

https://lists.apache.org/thread/lchpcvoolc6w8zc6vo1wstk8zbfqv2ow x_refsource_MISC
[oss-security] 20220106 CVE-2021-36774: Apache Kylin: Mysql JDBC Connector Deserialize RCE mailing-list, x_refsource_MLIST