CVE-2021-45458
Hardcoded credentials
CVE-2021-45458 is a high vulnerability (CVSS 7.5) in Apache Kylin, published January 6, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. Fixed in org.apache.kylin:kylin 3.1.3.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 2.15%EPSS, 82nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
3.1.3org.apache.kylin:kylin +3 more
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.kylin:kylinMaven | before 3.1.3 | 3.1.3 |
org.apache.kylin:kylinMaven | 4.0.0 to 4.0.0 | 4.0.1 |
org.apache.kylin:kylinMaven | before 3.1.3, plus listed versions 0.7.1-incubating0.7.2-incubating1.0-incubating1.1-incubating1.1.1-incubating Show 36 moreShow less1.21.3.01.5.01.5.11.5.21.5.2.11.5.31.5.41.5.4.11.6.02.0.02.1.02.2.02.3.02.3.12.3.22.4.02.4.12.5.02.5.12.5.22.6.02.6.12.6.22.6.32.6.42.6.52.6.63.0.03.0.0-alpha3.0.0-alpha23.0.13.0.23.1.03.1.13.1.2 | 3.1.3 |
org.apache.kylin:kylinMaven | 4.0.0 up to 4.0.1 | 4.0.1 |
What each source reports
NVD Score used
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.
- Record
CVE-2021-45458- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-798, CWE-330
- Updated
- 2026-11-02
CVE ListNo score
Hardcoded credentials
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.
- Record
CVE-2021-45458- Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2022-0544No score
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.
- Record
EUVD-2022-0544- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9fj5-jg6f-qg5r
Use of Hard-coded Credentials in 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.
- Record
GHSA-9fj5-jg6f-qg5r- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326, CWE-330, CWE-798
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-45458- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-9fj5-jg6f-qg5r
Use of Hard-coded Credentials in 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.
- Record
GHSA-9fj5-jg6f-qg5r- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326, CWE-330, CWE-798
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
lists.apache.org/thread/oof215qz188k16vhlo97cm1jksxdowfy
openwall.com/lists/oss-security/2022/01/06/7
nvd.nist.gov/vuln/detail/CVE-2021-45458
github.com/apache/kylin/pull/1781