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CVE-2019-0193 Apache CVE debrief

CVE-2019-0193 is a code injection vulnerability affecting Apache Solr DataImportHandler. CISA lists it in the Known Exploited Vulnerabilities catalog, which makes it a priority for remediation. Based on the supplied timeline, the KEV record was added on 2021-12-10 and the required action was to apply updates per vendor instructions.

Vendor
Apache
Product
Solr
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-12-10
Original CVE updated
2021-12-10
Advisory published
2021-12-10
Advisory updated
2021-12-10

Who should care

Apache Solr operators, platform and application teams that deploy Solr, vulnerability management teams, and security staff responsible for internet-facing or broadly reachable services.

Technical summary

The vulnerability is identified as a code injection issue in Apache Solr DataImportHandler. The source corpus does not provide a CVSS score or deeper exploit details, but CISA’s KEV inclusion confirms known exploitation and a need for prompt patching.

Defensive priority

High. CISA KEV inclusion is a strong signal to prioritize inventory, exposure review, and vendor-recommended remediation.

Recommended defensive actions

  • Inventory all Apache Solr deployments and identify whether DataImportHandler is enabled or reachable.
  • Apply the vendor-recommended updates referenced by CISA and the official CVE/NVD records.
  • Restrict network access to Solr where possible, especially for systems not meant to be publicly reachable.
  • Review logs and configuration for unexpected changes or suspicious DataImportHandler activity.
  • Confirm remediation by verifying installed versions and configuration after patching.

Evidence notes

The debrief is based only on the supplied source item metadata and the official records linked in the corpus: the CVE record, the NVD detail page, and CISA’s Known Exploited Vulnerabilities catalog. The corpus states the vulnerability name, the Apache Solr product, KEV inclusion, dateAdded 2021-12-10, dueDate 2022-06-10, and required action to apply updates per vendor instructions. No CVSS score or additional exploit mechanics were supplied.

Official resources

CISA included this vulnerability in its Known Exploited Vulnerabilities catalog. The supplied timeline shows the KEV date added as 2021-12-10 and the due date as 2022-06-10.