CVE-2025-24814: apache software foundation apache solr Execution with Unnecessary Privileges

Vulnerability summary

CVE-2025-24814 is a medium (CVSS 5.5) Execution with Unnecessary Privileges vulnerability in apache software foundation apache solr. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.8% of scored vulnerabilities.

Timeline

1. 27-01-2025
   PublishedVulnerability first disclosed.
2. 15-02-2025
   Last modifiedVulnerability information updated.

Description

Core creation allows users to replace "trusted" configset files with arbitrary configuration Solr instances that (1) use the "FileSystemConfigSetService" component (the default in "standalone" or "user-managed" mode), and (2) are running without authentication and authorization are vulnerable to a sort of privilege escalation wherein individual "trusted" configset files can be ignored in favor of potentially-untrusted replacements available elsewhere on the filesystem.  These replacement config files are treated as "trusted" and can use "<lib>" tags to add to Solr's classpath, which an attacker might use to load malicious code as a searchComponent or other plugin. This issue affects all Apache Solr versions up through Solr 9.7.  Users can protect against the vulnerability by enabling authentication and authorization on their Solr clusters or switching to SolrCloud (and away from "FileSystemConfigSetService").  Users are also recommended to upgrade to Solr 9.8.0, which mitigates this issue by disabling use of "<lib>" tags by default.

• CWE-250Execution with Unnecessary PrivilegesThe product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.