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CVE-2014-3120: Elasticsearch Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2014-3120
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Elasticsearch enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code.

CSIRTS triage

vendor: Elasticproduct: ElasticsearchRemote code execution
What
Elasticsearch enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code.
Who is affected
Deployments of Elasticsearch are affected.
Urgency
Remediation is critical due to the severity of the vulnerability and its exploitation status.
Action
Upgrade to the patched version of Elasticsearch.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2014-3120

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2014-3120coverage & exploitation statusNVD · CVE.org

Recent advisories for Elasticsearch Remote Code

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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