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Vulnerability record · CVE-2021-45457 · published 6 January 2022

CVE-2021-45457: Apache kylin incorrect authorization vulnerability

Apache · Kylin

In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin. 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.

7.5 CVSS 3.1 High EPSS 2.4% · top 16.7% CWE-863 · Incorrect authorization
7.5CVSS 3.1 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin. 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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/01/06/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1m Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1m Mailing ListVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-45457), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.