CVE-2019-12409 Unrestricted upload of file with dangerous type in Apache Solr

What is CVE-2019-12409?

CVE-2019-12409 is a critical vulnerability in Apache Solr, published on 18 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The 8.1.1 and 8.2.0 releases of Apache Solr contain an insecure setting for the ENABLE_REMOTE_JMX_OPTS configuration option in the default solr.in.sh configuration file shipping with Solr. If you use the default solr.in.sh file from the affected releases, 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.

Weakness: CWE-434

Which versions are affected by CVE-2019-12409?

2 open source packages ship an affected version, including org.apache.solr:solr-core. It affects 1 product.

Products include Apache Solr.

How do I fix CVE-2019-12409?

Upgrade org.apache.solr:solr-core to 8.3.0 or later.

Is CVE-2019-12409 being exploited?

There is no known exploitation of CVE-2019-12409 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

Other vulnerabilities in Apache Solr

• CVE-2019-17558 Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Exploited High 7.5
• CVE-2019-0193 Apache Solr DataImportHandler Code Injection Exploited High 7.2
• CVE-2024-45216 Apache Solr: Authentication bypass possible using a fake URL Path ending Critical 9.8
• CVE-2021-44548 Apache Solr information disclosure vulnerability through DataImportHandler Critical 9.8
• CVE-2021-27905 SSRF vulnerability with the Replication handler Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2289-pqfq-6wx7.