CVE-2021-45456

Command injection

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

Workaround:

  • Users of Kylin 4.0.0 should upgrade to 4.0.1 or apply patch https://github.com/apache/kylin/pull/1781.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 58.10% Top 5%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Kylin
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-45456?
CVE-2021-45456 has been scored as a critical severity vulnerability.
How to fix CVE-2021-45456?
As a workaround for remediating CVE-2021-45456: Users of Kylin 4.0.0 should upgrade to 4.0.1 or apply patch https://github.com/apache/kylin/pull/1781.
Is CVE-2021-45456 being actively exploited in the wild?
It is possible that CVE-2021-45456 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~58% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-45456?
CVE-2021-45456 affects Apache Software Foundation Apache Kylin.
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