CVE-2021-45456 - CVE House

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Status published Critical CVE-2021-45456

Command injection

9.8 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Alvaro Munoz <pwntester@github.com>

References

More from Apache Software Foundation

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Apache Uniffle: Insecure SSL Configuration in Uniffle HTTP Client

Apache Struts, Apache Struts: XXE vulnerability in outdated XWork component

Affected Vendor

Apache Software Foundation

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Affected Software

Apache Kylin

Vulnerable Versions:

Apache Kylin 4 4.0.0

Timeline

Official Publish: January 6th, 2022

Last Modified: August 4th, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.