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PatchSiren cyber security CVE debrief

CVE-2015-1427 Elastic CVE debrief

CVE-2015-1427 is a remote code execution issue associated with Elasticsearch’s Groovy scripting engine and is listed by CISA as a Known Exploited Vulnerability. For defenders, that means the risk is not theoretical: affected Elasticsearch deployments should be treated as patch-priority work and updated according to vendor instructions.

Vendor
Elastic
Product
Elasticsearch
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-25
Original CVE updated
2022-03-25
Advisory published
2022-03-25
Advisory updated
2022-03-25

Who should care

Security teams, platform owners, and administrators responsible for Elastic Elasticsearch deployments should care, especially if clusters are internet-facing, exposed to untrusted networks, or used in production environments. Incident responders should also include this CVE in exposure and compromise checks for Elasticsearch assets.

Technical summary

The supplied official sources identify CVE-2015-1427 as an Elasticsearch Groovy Scripting Engine remote code execution vulnerability. CISA’s KEV entry confirms known exploitation and directs organizations to apply updates per vendor instructions. The provided corpus does not include affected version ranges, exploit mechanics, or CVSS data, so defensive guidance should stay focused on inventory, patching, and exposure reduction.

Defensive priority

High. CISA has placed this CVE in the Known Exploited Vulnerabilities catalog, which elevates remediation urgency regardless of missing CVSS data.

Recommended defensive actions

  • Inventory all Elastic Elasticsearch deployments, including non-production and internal-only systems.
  • Apply Elastic’s vendor-recommended updates and configuration changes as soon as possible.
  • Treat the CISA KEV due date as historical context only; if any affected systems remain unremediated, prioritize them immediately.
  • Reduce exposure by restricting network access to Elasticsearch services and reviewing who can reach cluster endpoints.
  • Verify remediation by confirming current product versions and documenting closure for each affected asset.
  • Review logs and security telemetry for signs of suspicious activity around Elasticsearch hosts.

Evidence notes

CISA’s Known Exploited Vulnerabilities catalog identifies this issue as "Elastic Elasticsearch Elasticsearch Groovy Scripting Engine Remote Code Execution Vulnerability" and states: "Apply updates per vendor instructions." The official CVE and NVD links provide corroborating record-level references. The source corpus supplied here does not include CVSS scoring, affected version details, or exploitation walkthroughs.

Official resources

This debrief is based on the official CVE/NVD records and CISA KEV metadata supplied in the corpus. The dates referenced in the source timeline reflect record publication and KEV listing dates provided here; they are not presented as the/or