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Exploited vulnerability · CISA KEV

Is CVE-2014-3120 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · Elasticsearch · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2014-3120, Elasticsearch Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 2797 days after it was published. It affects Elasticsearch. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.1CVSS 3.1 · high
US federal due15 Apr 2022BOD 22-01 deadline

What it is

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

VendorElastic (3 exploited CVEs in KEV)
ProductElasticsearch
VulnerabilityElasticsearch Remote Code Execution Vulnerability
WeaknessCWE-284
Published28 Jul 2014
Added to KEV25 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Elasticsearch in your asset inventory, including appliances and cloud images. Stack check lists every exploited Elastic CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 28 Jul 2014.
  4. Get told next time. Email alerts when CISA adds a CVE for Elastic.

Other exploited CVEs in Elasticsearch

References

Questions

Is CVE-2014-3120 being exploited?

Yes. CISA added CVE-2014-3120 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2014-3120 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2014-3120?

Apply updates per vendor instructions. Check Elastic's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Elasticsearch and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in March 2022 · Elastic scorecard · act-now radar.

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