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CVE-2021-45458

7.5 · HIGH

Apache Kylin provides encryption classes PasswordPlaceholderConfigurer to help users encrypt their passwords.

Published Jan 6, 2022CWE-798EPSS 2.08%

Overview

CVE-2021-45458 is a high-severity vulnerability. It was published on January 6, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.openwall.com/lists/oss-security/2022/01/06/3Refwww.openwall.com/lists/oss-security/2022/01/06/7Reflists.apache.org/thread/oof215qz188k16vhlo97cm1jksxdowfyRefwww.openwall.com/lists/oss-security/2022/01/06/3Refwww.openwall.com/lists/oss-security/2022/01/06/7Reflists.apache.org/thread/oof215qz188k16vhlo97cm1jksxdowfy

How CyberStrike helps

Frequently asked questions

What is CVE-2021-45458?

CVE-2021-45458 is a high-severity vulnerability. It was published on January 6, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-45458?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-45458?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-45458?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-45458 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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