CVE-2020-13929: Authentication bypass in Apache Zeppelin
Summary
CVE-2020-13929: Authentication bypass in Apache Zeppelin. Affects org.apache.zeppelin:zeppelin versions < 0.10.0. Fixed in 0.10.0. How to fix ↓
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Background
Apache Zeppelin is an open-source web-based notebook that enables interactive data analytics and collaborative data science. It provides a platform for data exploration, visualization, and sharing. Zeppelin allows users to create and execute code snippets in various programming languages, including Scala, Python, and SQL. This vulnerability affects Apache Zeppelin version 0.9.0 and prior versions.
Vulnerability Detail
The authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass the Zeppelin authentication mechanism and impersonate another user. By exploiting this vulnerability, an unauthorized user can gain unauthorized access to sensitive information, perform actions on behalf of other users, or manipulate data within the Zeppelin environment. This vulnerability poses a significant risk to the confidentiality and integrity of data stored and processed within Zeppelin.
How To Fix
Latest published version: 0.12.1 as of 22 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.10.0
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading to a patched version of Apache Zeppelin.
Conclusion
The authentication bypass vulnerability in Apache Zeppelin poses a significant risk to the security and integrity of data within the Zeppelin environment. It is recommended to upgrade to Apache Zeppelin version 0.10.0 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
Apache Zeppelin is an open-source web-based notebook for interactive data analytics and collaborative data science.
This vulnerability allows an attacker to bypass Zeppelin authentication and act as another user, potentially leading to unauthorized access, data manipulation, and information disclosure.
Apache Zeppelin version 0.9.0 and prior versions are affected by this vulnerability.
Yes, upgrading to Apache Zeppelin version 0.10.0 or later will fix this vulnerability.
No, there are no known workarounds. It is crucial to apply the recommended fix by upgrading to a patched version of Apache Zeppelin.
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