CVE-2021-45456: Command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 88.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-06 · updated 2026-06-17
Weakness: CWE-77

Description

Apache kylin checks the legitimacy of the project before executing some commands with the project name passed in by the user. There is a mismatch between what is being checked and what is being used as the shell command argument in DiagnosisService. This may cause an illegal project name to pass the check and perform the following steps, resulting in a command injection vulnerability. This issue affects Apache Kylin 4.0.0.

Affected products

Apache Software Foundation Apache Kylin: 4.0.0, 4.0.0-alpha, 4.0.0-beta

References

http://www.openwall.com/lists/oss-security/2022/01/06/1
https://lists.apache.org/thread/70fkf9w1swt2cqdcz13rwfjvblw1fcpf
http://www.openwall.com/lists/oss-security/2022/01/06/1
https://lists.apache.org/thread/70fkf9w1swt2cqdcz13rwfjvblw1fcpf

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