CVE-2021-29943: Apache Solr Unprivileged users may be able to perform unauthorized read/write to collections
First published: Tue Apr 13 2021(Updated: )
When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8.8.2 would forward/proxy distributed requests using server credentials instead of original client credentials. This would result in incorrect authorization resolution on the receiving hosts.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Solr | <8.8.2 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-29943?
CVE-2021-29943 is a vulnerability in Apache Solr versions prior to 8.8.2 that allows incorrect authorization resolution on receiving hosts when using ConfigurableInternodeAuthHadoopPlugin for authentication.
How does CVE-2021-29943 affect Apache Solr?
CVE-2021-29943 affects Apache Solr versions prior to 8.8.2 when using ConfigurableInternodeAuthHadoopPlugin for authentication.
What is the severity of CVE-2021-29943?
CVE-2021-29943 has a severity rating of 9.1 (critical).
How can I fix CVE-2021-29943?
To fix CVE-2021-29943, you should upgrade Apache Solr to version 8.8.2 or newer.
Are there any references related to CVE-2021-29943?
Yes, you can find more information about CVE-2021-29943 at the following references: [Reference 1](https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E), [Reference 2](https://security.netapp.com/advisory/ntap-20210604-0009/).
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