Is CVE-2019-17558 actively exploited?

Yes. CVE-2019-17558 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2019-17558 be exploited remotely?

The attack vector of CVE-2019-17558 has not been classified yet.

What is the CVSS score of CVE-2019-17558?

CVE-2019-17558 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2019-17558

HIGHCISA KEVIN THE WILD

CVE-2019-17558

Published: November 3, 2021

EPSS:94.47%probability of exploitation in 30 daysPercentile:100.0th

Official Description

The Apache Solr VelocityResponseWriter plug-in contains an unspecified vulnerability which can allow for remote code execution.

NVD Source

CISA KEV Advisory

Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Vulnerability

The Apache Solr VelocityResponseWriter plug-in contains an unspecified vulnerability which can allow for remote code execution.

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

The Apache Solr VelocityResponseWriter plug-in has an unspecified vulnerability that can lead to remote code execution. With an EPSS score of 0.94474, there is a very high likelihood of this vulnerability being exploited, demanding immediate action.

This vulnerability is actively exploited in the wild and is part of CISA's KEV catalog, confirming its use by attackers.

Recommended Action

To mitigate this remote code execution flaw, ensure Apache Solr is updated to a patched version, and review configurations related to the VelocityResponseWriter plug-in.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2019-17558 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2019-17558 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.