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CVE-2019-17558: Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2019-17558
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
The Apache Solr VelocityResponseWriter plug-in contains an unspecified vulnerability which can allow for remote code execution.

CSIRTS triage

vendor: Apacheproduct: SolrRemote code execution
What
The VelocityResponseWriter plug-in contains an unspecified vulnerability allowing for remote code execution.
Who is affected
Deployments of Apache Solr using the VelocityResponseWriter plug-in.
Urgency
Urgent remediation is required as the vulnerability is actively exploited and critical in severity.
Action
Update to the latest version of Apache Solr.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-17558

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-17558coverage & exploitation statusNVD · CVE.org

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