CVE-2021-45458

Name: CVE-2021-45458
Creator: NVD / NIST
Published: 2022-01-06T13:15:08.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.08%

Last modified Jun 17, 2026

CVE-2021-45458 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Apache Kylin provides encryption classes PasswordPlaceholderConfigurer to help users encrypt their passwords. In the encryption algorithm used by this encryption class, the cipher is initialized with a hardcoded key and IV. EPSS estimates a 2.08% chance of exploitation in the next 30 days.

Description

Apache Kylin provides encryption classes PasswordPlaceholderConfigurer to help users encrypt their passwords. In the encryption algorithm used by this encryption class, the cipher is initialized with a hardcoded key and IV. If users use class PasswordPlaceholderConfigurer to encrypt their password and configure it into kylin's configuration file, there is a risk that the password may be decrypted. 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

2.08%

79.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

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/2022/01/06/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/7Mailing List, Third Party Advisory
https://lists.apache.org/thread/oof215qz188k16vhlo97cm1jksxdowfyMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/7Mailing List, Third Party Advisory
https://lists.apache.org/thread/oof215qz188k16vhlo97cm1jksxdowfyMailing List, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-45458?

How severe is CVE-2021-45458?

CVE-2021-45458 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.08% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45458?

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-2021-45458?

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

Scan your code now

Source: NVD / NIST