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Vulnerability record · CVE-2021-36774 · published 6 January 2022

CVE-2021-36774: Apache kylin vulnerability

Apache · Kylin

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.

6.5 CVSS 3.1 Medium EPSS 1.9% · top 20.6%
6.5CVSS 3.1 base score, v2 4.0
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/01/06/5 Mailing ListThird Party Advisory
https://lists.apache.org/thread/lchpcvoolc6w8zc6vo1wstk8zbfqv2ow Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/5 Mailing ListThird Party Advisory
https://lists.apache.org/thread/lchpcvoolc6w8zc6vo1wstk8zbfqv2ow Mailing ListVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-1956Apache Kylin REST API OS command injectionApache Kylin versions 2.3.0 through 2.6.5 and 3.0.1 concatenate user input into OS commands in some RESTful APIs without validation. An authenticated…KEVEPSS 97%analysed9.8CVE-2026-62390Apache kylin sql injection vulnerabilityImproper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Kylin. A backend API refreshing table ca…EPSS 0.69%9.8CVE-2026-62392Apache kylin os command injection vulnerabilityImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Kylin. A backend API may bring job…EPSS 2.5%9.8CVE-2022-44621Apache kylin command injection vulnerabilityDiagnosis Controller miss parameter validation, so user may attacked by command injection via HTTP Request.EPSS 3.0%9.8CVE-2022-24697Apache Kylin cube designer OS command injection via config overrideApache Kylin's cube designer lets a user overwrite system parameters in the configuration overwrites menu. By closing the single quotes around the va…EPSS 85%analysed9.8CVE-2021-31522Apache kylin vulnerabilityKylin can receive user input and load any class through Class.forName(...). This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apach…EPSS 2.9%9.8CVE-2021-45456Apache Kylin DiagnosisService project name check mismatch allows command injectionApache Kylin validates a user-supplied project name before using it, but DiagnosisService checks a different value than the one passed as a shell com…EPSS 89%analysed9.8CVE-2020-13925Apache kylin os command injection vulnerabilitySimilar to CVE-2020-1956, Kylin has one more restful API which concatenates the API inputs into OS commands and then executes them on the server; whi…EPSS 20%

Source: NIST National Vulnerability Database (record CVE-2021-36774), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.