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CVE-2021-45456

9.8 · CRITICAL

Apache kylin checks the legitimacy of the project before executing some commands with the project name passed in by the user.

Published Jan 6, 2022CWE-77EPSS 88.89%

Overview

CVE-2021-45456 is a critical-severity vulnerability. It was published on January 6, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.openwall.com/lists/oss-security/2022/01/06/1Reflists.apache.org/thread/70fkf9w1swt2cqdcz13rwfjvblw1fcpfRefwww.openwall.com/lists/oss-security/2022/01/06/1Reflists.apache.org/thread/70fkf9w1swt2cqdcz13rwfjvblw1fcpf

How CyberStrike helps

Frequently asked questions

What is CVE-2021-45456?

CVE-2021-45456 is a critical-severity vulnerability. It was published on January 6, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2021-45456?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-45456?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-45456?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-45456 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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