CVE-2020-13941: Improper Input Validation

Reported in SOLR-14515 private and fixed in SOLR-14561 public, released in Solr version 8.6.0. The Replication handler https://lucene.apache.org/solr/guide/86/index-replication.htmlhttp-api-commands-for-the-replicationhandler allows commands backup, restore and deleteBackup. Each of these take a...

Directory Traversal

Apache Solr is vulnerable to directory traversal attacks. The vulnerability exists because a replication handler provided by Apache Solr supports an HTTP API which does not validate the user supplied filename parameter. Therefore, attackers can pull index files from a master/leader node using thi...