CVE-2019-0193

CVE-2019-0193 is a high-severity vulnerability in Apache Solr with a CVSS 3.x base score of 7.2. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-12-10). The underlying weakness is classified as CWE-94.

Key facts

Description

In Apache Solr, the DataImportHandler, an optional but popular module to pull in data from databases and other sources, has a feature in which the whole DIH configuration can come from a request's "dataConfig" parameter. The debug mode of the DIH admin screen uses this to allow convenient debugging / development of a DIH config. Since a DIH config can contain scripts, this parameter is a security risk. Starting with version 8.2.0 of Solr, use of this parameter requires setting the Java System property "enable.dih.dataConfigParam" to true.

Frequently asked questions

What is CVE-2019-0193?
In Apache Solr, the DataImportHandler, an optional but popular module to pull in data from databases and other sources, has a feature in which the whole DIH configuration can come from a request's "dataConfig" parameter. The debug mode of the DIH admin screen uses this to allow convenient debugging / development of a DIH config. Since a DIH config can contain scripts, this parameter is a security risk. Starting with version 8.2.0 of Solr, use of this parameter requires setting the Java System property "enable.dih.dataConfigParam" to true.
How severe is CVE-2019-0193?
CVE-2019-0193 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-0193 being actively exploited?
Yes. CVE-2019-0193 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-12-10, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2019-0193?
CVE-2019-0193 primarily affects Apache Solr. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0193?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2019-0193 have an EU (EUVD) identifier?
Yes. CVE-2019-0193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-0615. It is also flagged as exploited in the EUVD (since 2021-12-10).
When was CVE-2019-0193 published?
CVE-2019-0193 was published on 2019-08-01 and last updated on 2026-06-17.

References

Affected products (3)

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