CVE-2015-1427

Exp

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.

Published: 2015-02-17 Last update: 2026-04-22 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-1427 is rated Critical Active Threat (100/100): CVSS Critical severity, with high exploitation likelihood (EPSS 99.91%, 100th percentile). Core evidence: CISA KEV confirms active exploitation (added 2022-03-25) affecting Elastic / Elasticsearch. Unauthenticated remote administrative access may be possible. EPSS rose +7.58% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2015-1427

Name: Elasticsearch Groovy Scripting Engine Remote Code Execution Vulnerability · CISA KEV detail

Exploit added: 2022-03-25

Action due: 2022-04-15

Required action: Apply updates per vendor instructions.

Public exploit references (Exploit-DB) for CVE-2015-1427

EDB-ID Source Kind Published Link
36415 exploit_db edb 2015-03-16 Exploit-DB ↗
36337 exploit_db edb 2015-03-11 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-1427

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 92.33% 99.91% +7.58%
2 2025-12-28 92.41% 92.33% -0.08%
3 2025-12-27 92.41%

Full EPSS history (37 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-1427

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-1427

GitHub Security Advisory for CVE-2015-1427

GHSA-w94p-6mhw-4qxw · Severity: high · Ecosystem: maven — Improper Access Control in Elasticsearch

OS Trackers for CVE-2015-1427

vendor priority summary link
redhat high https://access.redhat.com/security/cve/CVE-2015-1427
ubuntu medium CVE-2015-1427 medium priority: Ubuntu including 1 source packages (elasticsearch), 12 status rows across 12 suites (artful, bionic, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 5, ignored 5, not-affected 1, released 1. https://ubuntu.com/security/CVE-2015-1427

Affected software / configurations for CVE-2015-1427

Vendor Product Version Raw CPE
elastic elasticsearch < 1.3.8 cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*
elastic elasticsearch >= 1.4.0, < 1.4.3 cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*
redhat fuse 1.0.0 cpe:2.3:a:redhat:fuse:1.0.0:*:*:*:*:*:*:*

References for CVE-2015-1427

URL Tags
http://packetstormsecurity.com/files/130368/Elasticsearch-1.3.7-1.4.2-Sandbox-Escape-Command-Execution.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/130784/ElasticSearch-Unauthenticated-Remote-Code-Execution.html Exploit Third Party Advisory VDB Entry
http://www.elasticsearch.com/blog/elasticsearch-1-4-3-1-3-8-released/ Patch Vendor Advisory
http://www.securityfocus.com/archive/1/534689/100/0/threaded Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/72585 Broken Link Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:0868 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/100850 Third Party Advisory VDB Entry
https://www.elastic.co/community/security/ Not Applicable Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1427 US Government Resource
cvelogic Threat Intelligence