{"id":"CVE-2021-29943","aliases":["BIT-solr-2021-29943","GHSA-vf7p-j8x6-xvwp"],"url":"https://o3.security/vulnerability/CVE-2021-29943","summary":"Incorrect Authorization in Apache Solr","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.","published":"2021-04-13T07:15:12.403Z","modified":"2026-07-09T00:13:57.903551Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.solr:solr-parent","fixedVersion":"8.8.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210604-0009/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:13:57.903551Z"}}