{"id":"UBUNTU-CVE-2021-29943","details":"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.","modified":"2025-09-08T16:47:06Z","published":"2021-04-13T07:15:00Z","upstream":["CVE-2021-29943"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-29943"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-29943"}],"affected":[{"package":{"name":"lucene-solr","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/lucene-solr@3.6.2+dfsg-2ubuntu0.1~esm4?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.2+dfsg-1","3.6.2+dfsg-2","3.6.2+dfsg-2ubuntu0.1~esm1","3.6.2+dfsg-2ubuntu0.1~esm2","3.6.2+dfsg-2ubuntu0.1~esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"liblucene3-contrib-java","binary_version":"3.6.2+dfsg-2ubuntu0.1~esm4"},{"binary_version":"3.6.2+dfsg-2ubuntu0.1~esm4","binary_name":"liblucene3-java"},{"binary_name":"libsolr-java","binary_version":"3.6.2+dfsg-2ubuntu0.1~esm4"},{"binary_name":"solr-common","binary_version":"3.6.2+dfsg-2ubuntu0.1~esm4"},{"binary_name":"solr-jetty","binary_version":"3.6.2+dfsg-2ubuntu0.1~esm4"},{"binary_name":"solr-tomcat","binary_version":"3.6.2+dfsg-2ubuntu0.1~esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29943.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}