Known exploited vulnerability
CVE-2014-3120
The short answer
CVE-2014-3120 affects n/a n/a and is rated high (CVSS 8.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-25: attackers are using it, so patch it first.
What it is
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.
Weakness: CWE-284.
Severity
8.1 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Exploited (CISA KEV)
Yes, since Mar 25, 2022
Federal due date Apr 15, 2022
EPSS, next 30 days
89%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- www.elastic.co/blog/logstash-1-4-3-released Vendor Advisory
- www.elastic.co/community/security/ Vendor Advisory
- www.found.no/foundation/elasticsearch-security/#staying-safe-while-developing-with-elasticsearch Exploit
- www.elastic.co/blog/logstash-1-4-3-released Vendor Advisory
- www.elastic.co/community/security/ Vendor Advisory
- www.found.no/foundation/elasticsearch-security/#staying-safe-while-developing-with-elasticsearch Exploit
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-3120 US Government Resource
Questions
Is CVE-2014-3120 being exploited?
Yes. CISA added CVE-2014-3120 to its Known Exploited Vulnerabilities catalog on 2022-03-25, with a federal remediation due date of 2022-04-15.
How do I fix CVE-2014-3120?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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