{"cve":"CVE-2020-13957","nvd":{"published":"2020-10-13T19:15:12.460","modified":"2026-06-17T02:54:00.310","status":"Modified","description":"Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3 and 8.0.0 to 8.6.2 prevents some features considered dangerous (which could be used for remote code execution) to be configured in a ConfigSet that's uploaded via API without authentication/authorization. The checks in place to prevent such features can be circumvented by using a combination of UPLOAD/CREATE actions.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-863"],"references":["https://lists.apache.org/thread.html/r13a728994c60be5b5a7049282b5c926dac1fc6a9a0b2362f6adfa573%40%3Cissues.lucene.apache.org%3E","https://lists.apache.org/thread.html/r1c783d3d81ba62f3381a17a4d6c826f7dead3a132ba42349c90df075%40%3Ccommits.lucene.apache.org%3E","https://lists.apache.org/thread.html/r1d4a247329a8478073163567bbc8c8cb6b49c6bfc2bf58153a857af1%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r2236fdf99ac3efbfc36c2df96d3a88f822baa6f45e13fec7ff558e34%40%3Cdev.bigtop.apache.org%3E","https://lists.apache.org/thread.html/r226c1112bb41e7cd427862d875eff9877a20a40242c2542f4dd39e4a%40%3Cissues.lucene.apache.org%3E"],"products":["apache:solr"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-13957","score":0.79342,"percentile":0.99601,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3c7p-vv5r-cmr5","url":"https://osv.dev/vulnerability/GHSA-3c7p-vv5r-cmr5","summary":"Incorrect Authorization in Apache Solr","modified":"2025-03-17T22:06:48.644089Z","packages":[{"ecosystem":"Maven","name":"org.apache.solr:solr-parent","purl":"pkg:maven/org.apache.solr/solr-parent","ranges":[">=6.6.0 <8.6.3"],"fixed":["8.6.3"]},{"ecosystem":"Maven","name":"org.apache.solr:solr-solrj","purl":"pkg:maven/org.apache.solr/solr-solrj","ranges":[">=6.6.0 <8.6.3"],"fixed":["8.6.3"]},{"ecosystem":"Maven","name":"org.apache.solr:solr-core","purl":"pkg:maven/org.apache.solr/solr-core","ranges":[">=6.6.0 <8.6.3"],"fixed":["8.6.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}