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CVE-2019-12409 Apache Solr

Affected softwareApache Solr
Severity9.8 Critical CVSS 3.1 2 scores
Fixed in8.3.0
WeaknessUnrestricted file upload (CWE-434)
Published18 Nov 2019
Updated17 Jun 2026

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.

Exploitation status

Proof of concept only

A proof of concept exists, but no reviewed exploit catalogue lists this CVE.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC 2 indexed Published artifacts you can open, in GitHub PoC; first seen 2019-11-19.
  • EPSS 22% chance in 30 days A model's forecast, not a report of exploitation. Higher than 98% of all scored CVEs.

1 of these are GitHub repositories with fewer than 5 stars. They are listed for reference and don't count toward the exploitation status above.

IndexArtifactStarsFirst seen
GitHub PoC Apache Solr RCE (ENABLE_REMOTE_JMX_OPTS="true") 104 2019-11-19
GitHub PoC CVE-2019-12409: RCE Vulnerability Due to Bad Defalut Config in Apache Solr 2025-02-12

Waratek protection

Mitigation candidate

A kind of vulnerability Waratek's rules address, with exploit code published or exploitation reported. No rule exists and none is planned yet. The decision below says what we found to build a rule from.

  • Protection none
  • Action unverified
  • Review automated Inferred
  • Record active
Decided by The affected package being open source on Maven, so the fix can be read
Finding This CVE affects an open-source Java library published on Maven Central (Maven packages: org.apache.solr:solr-core), so it is squarely in ARMR's territory and the source needed to understand the defect is public. That makes it a candidate for an ARMR patch rule. No rule exists and none is scheduled: the diff between the affected and fixed versions has not been read, and a closer look may find no hook point ARMR can act on.

CVSS

9.8 CRITICAL v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H NVD Primary published
CVSS 2.0 7.5 none AV:N/AC:L/Au:N/C:P/I:P/A:P NVD Primary

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.apache.solr:solr-core 8.1.1 8.3.0 unbounded

Products and versions

2 products, 3 version entries
SourceVendorProductSchemeAffected versions
nvd apache solr generic 8.1.1 · 8.2.0
osv org.apache.solr solr-core generic ≥ 8.1.1 and < 8.3.0

References

URLTags
https://github.com/github/advisory-review/pull/12462 WEB
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-12409-RCE%20Vulnerability%20Due%20to%20Bad%20Defalut%20Config-Apache%20Solr WEB
https://issues.apache.org/jira/browse/SOLR-13647 WEB
https://lists.apache.org/thread.html/47e112035b4aa67ece3b75dbcd1b9c9212895b9dfe2a71f6f7c174e2@%3Cannounce.apache.org%3E WEB
https://lists.apache.org/thread.html/6640c7e370fce2b74e466a605a46244ccc40666ad9e3064a4e04a85d@%3Csolr-user.lucene.apache.org%3E WEB
https://lists.apache.org/thread.html/925cdb49ceae78baddb45da7beb9b4d2b1ddc4a8e318c65e91fb4e87@%3Cissues.lucene.apache.org%3E WEB
https://lists.apache.org/thread.html/a044eae4f6f5b0160ece5bf9cc4c0dad90ce7dd9bb210a9dc50b54be@%3Cgeneral.lucene.apache.org%3E WEB
https://lists.apache.org/thread.html/ce7c0b456b15f6c7518adefa54ec948fed6de8e951a2584500c1e541@%3Cissues.lucene.apache.org%3E WEB
https://support.f5.com/csp/article/K23720587?utm_source=f5support&utm_medium=RSS WEB
https://lists.apache.org/thread.html/47e112035b4aa67ece3b75dbcd1b9c9212895b9dfe2a71f6f7c174e2%40%3Cannounce.apache.org%3E

Timeline

Published2019-11-18By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.