CVE-2021-31522 - CVE House
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Status published Critical CVE-2021-31522

Apache Kylin unsafe class loading

Vulnerability Description

Kylin can receive user input and load any class through Class.forName(...). This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions.

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:

  • bo yu <forhaby0@gmail.com>

References

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache Kylin
Vulnerable Versions:
Apache Kylin 2, Apache Kylin 3, Apache Kylin 4

Timeline

Official Publish: January 6th, 2022
Last Modified: August 3rd, 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.