Medium severity · published Jan 6, 2022
CVE-2021-36774
Apache Kylin allows users to read data from other database systems using JDBC
6.5
CVSS
1.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KY
Kylin · Apache
2.0.0 through 2.6.6; 3.0.0 through 3.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36774
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36774
Mailing List
http://www.openwall.com/lists/oss-security/2022/01/06/5
Mailing List
https://lists.apache.org/thread/lchpcvoolc6w8zc6vo1wstk8zbfqv2ow
More from Kylin
8.8
CVE-2020-1956
Apache Kylin OS Command Injection Vulnerability
9.8
CVE-2026-62392
Apache Kylin: OS Command Injection via Async Query API
9.8
CVE-2026-62390
Apache Kylin: SQL Injection Vulnerability in Catalog Cache Refresh API
9.8
CVE-2022-44621
Diagnosis Controller miss parameter validation, so user may attacked by command injection via HTTP Request
9.8
CVE-2022-24697
Apache Kylin prior to 4.0.2 allows command injection when the configuration overwrites function overwrites system parameters
