CVE-2015-1427VulnerabilityPublished 03/25/2022Updated 10/24/2026

CVE-2015-1427: Elasticsearch Groovy Scripting Engine Remote Code Execution Vulnerability

Affects Elastic ElasticsearchSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 03/25/2022
KEV deadline: 04/15/2022
EPSS: 99.9% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2015-1427 (opens in a new tab)

Description

CVE-2015-1427 is a high-severity vulnerability in Elasticsearch's Groovy scripting engine that allows remote attackers to bypass sandbox protections and execute arbitrary shell commands. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the available data.

Summary

The Groovy scripting engine in Elasticsearch contains a vulnerability (CVE-2015-1427) that enables remote attackers to bypass the sandbox protection mechanism. This bypass allows execution of arbitrary shell commands on the affected system. The vulnerability is classified under CWE-284 (Improper Access Control). It has been confirmed to be exploited in the wild. No explicit patch or remediation details are provided in the source data.

Impact

Successful exploitation of this vulnerability allows remote attackers to execute arbitrary shell commands on Elasticsearch servers, potentially leading to full system compromise. This can result in unauthorized access, data theft, or disruption of service. The vulnerability is known to be actively exploited in the wild, increasing the risk to affected systems.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is confirmed, restrict access to Elasticsearch instances, disable Groovy scripting if possible, and monitor for suspicious activity related to script execution.

Weaknesses

CWE-284Improper Access Control (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 10:56:24 UTC

Weaknesses

References

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