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Vulnerability record · CVE-2021-45458 · published 6 January 2022

CVE-2021-45458: Apache kylin hard-coded credentials vulnerability

Apache · Kylin

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.

7.5 CVSS 3.1 High EPSS 2.1% · top 19.2% CWE-798 · Hard-coded credentialsCWE-330 · CWE-330
7.5CVSS 3.1 base score, v2 5.0
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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.

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/2022/01/06/3 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/7 Mailing ListThird Party Advisory
https://lists.apache.org/thread/oof215qz188k16vhlo97cm1jksxdowfy Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/3 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/7 Mailing ListThird Party Advisory
https://lists.apache.org/thread/oof215qz188k16vhlo97cm1jksxdowfy 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-2021-45458), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.