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Date: Mon, 12 Apr 2021 16:09:56 -0500
From: Mike Drob <>
Subject: CVE-2021-29943: Apache Solr Unprivileged users may be able to perform
 unauthorized read/write to collections


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.

This issue is being tracked as SOLR-15233


Geza Nagy

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