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Vulnerabilities

Vulnerability · CVE-2014-3120

Elasticsearch Remote Code Execution Vulnerability

Published Jul 28, 2014 · catalog updated Jun 16, 2026 · Elastic Elasticsearch

Patch now

CVE-2014-3120 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Elastic Elasticsearch against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.1
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
88.56%
Remediation
Remediation guidance
Affected products
cpe elastic/elasticsearch · vendor Elastic Elasticsearch · vendor n/a n/a

The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code via the source parameter to _search. NOTE: this only violates the vendor's intended security policy if the user does not run Elasticsearch in its own independent virtual machine.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe elastic/elasticsearchversion unspecified
  • vendor Elastic Elasticsearchversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2014-3120

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2014-3120 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Elastic Elasticsearch against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 88.56%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 28, 2014 · Catalog

    Detected

    The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code via the source parameter to _search. NOTE: this only violates the vendor's intended security policy if the user does not run Elasticsearch in its own independent virtual machine.

  2. Mar 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code via the source parameter to _search. NOTE: this only violates the vendor's intended security policy if the user does not run Elasticsearch in its own independent virtual machine.

Sources

  • CISA KEVConfirmed exploitationCVE-2014-3120

    Elasticsearch enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2014-3120

    The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code via the source parameter to _search. NOTE: this only violates the vendor's intended security policy if the user does

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2014-3120

    30-day exploitation probability 88.6%

    first.org
  • Exploit DatabasePublic exploit reference33370

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference33588

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/elasticsearch/script_mvel_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2014-3120

    The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code via the source parameter to _search. NOTE: this only violates the vendor's intended security policy if the user does

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2014-3120

    Elasticsearch enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.