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High severityCISA KEVNVD Advisory· Published Dec 30, 2019· Updated Oct 21, 2025

CVE-2019-17558

CVE-2019-17558

Description

Apache Solr 5.0.0 to Apache Solr 8.3.1 are vulnerable to a Remote Code Execution through the VelocityResponseWriter. A Velocity template can be provided through Velocity templates in a configset velocity/ directory or as a parameter. A user defined configset could contain renderable, potentially malicious, templates. Parameter provided templates are disabled by default, but can be enabled by setting params.resource.loader.enabled by defining a response writer with that setting set to true. Defining a response writer requires configuration API access. Solr 8.4 removed the params resource loader entirely, and only enables the configset-provided template rendering when the configset is trusted (has been uploaded by an authenticated user).

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.apache.solr:solr-coreMaven
>= 5.0.0, < 8.4.08.4.0
org.apache.solr:solr-coreMaven
>= 6.0.0, < 8.4.08.4.0
org.apache.solr:solr-coreMaven
>= 7.0.0, < 8.4.08.4.0
org.apache.solr:solr-coreMaven
>= 8.0.0, < 8.4.08.4.0

Affected products

9

Patches

Vulnerability mechanics

References

60

News mentions

0

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