CVE-2019-12409: Unrestricted Upload of File with Dangerous Type

November 18, 2019 (updated December 3, 2019)

Apache Solr contain an insecure setting for the ENABLE_REMOTE_JMX_OPTS configuration option in the default solr. then JMX monitoring will be enabled and exposed on RMI_PORT (default=18983`), without any authentication. If this port is opened for inbound traffic in your firewall, then anyone with network access to your Solr nodes will be able to access JMX, which may in turn allow them to upload malicious code for execution on the Solr server.

References

nvd.nist.gov/vuln/detail/CVE-2019-12409

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