CVE-2021-45457

Name: CVE-2021-45457
Creator: NVD / NIST
Published: 2022-01-06T13:15:08.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.34%

Last modified Jun 17, 2026

CVE-2021-45457 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.34% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.34%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Apache	Kylin	>= 2.0.0, <= 2.6.6
Apache	Kylin	>= 3.0.0, < 3.1.3
Apache	Kylin	4.0.0

References

http://www.openwall.com/lists/oss-security/2022/01/06/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1mMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1mMailing List, Vendor Advisory

Timeline

Published: Jan 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45457?

How severe is CVE-2021-45457?

CVE-2021-45457 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.34% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45457?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45457?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST