vulnerability
Apache Solr: CVE-2021-29262: Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settings
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Apr 13, 2021 | Nov 27, 2023 | Jul 3, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Apr 13, 2021
Added
Nov 27, 2023
Modified
Jul 3, 2025
Description
When starting Apache Solr versions prior to 8.8.2, configured with the SaslZkACLProvider or VMParamsAllAndReadonlyDigestZkACLProvider and no existing security.json znode, if the optional read-only user is configured then Solr would not treat that node as a sensitive path and would allow it to be readable. Additionally, with any ZkACLProvider, if the security.json is already present, Solr will not automatically update the ACLs.
Solution
apache-solr-upgrade-latest
References
Rapid7 Labs
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