SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2015-1427

Elasticsearch Groovy Scripting Engine Remote Code Execution Vulnerability

KEVEXPLOIT ×2 ✓CRITICAL 9.8EPSS 99.9%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to bypass the sandbox protection mechanism and execute arbitrary shell commands via a crafted script.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
99.91% probability · 100th percentile
Public exploits
2 in Exploit-DB · verified · first 11 March 2015
CISA KEV
Listed 25 March 2022 · due 15 April 2022
Affected
elastic/elasticsearch · redhat/fuse
Source
cve@mitre.org
EPSS trend
0%50%100%30 October 2026: 99.91%30 October 202630 October 2026

EPSS 99.9% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2015-1427

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-36415source ↗ElasticSearch - Search Groovy Sandbox Bypass (Metasploit)java · Metasploitremote16 March 2015yes
EDB-36337source ↗ElasticSearch - Remote Code Executionlinux · Xiphos Research Ltdremote11 March 2015yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.