How severe is CVE-2018-3824?

CVE-2018-3824 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-3824 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3824?

CVE-2018-3824 primarily affects Elastic Elasticsearch X-pack. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-3824?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-3824 published?

CVE-2018-3824 was published on 2018-09-19 and last updated on 2026-06-17.

CVE-2018-3824

CVE-2018-3824 is a medium-severity vulnerability in Elastic Elasticsearch X-pack with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Elastic Elasticsearch X-pack
Published: 2018-09-19
Last modified: 2026-06-17

Description

X-Pack Machine Learning versions before 6.2.4 and 5.6.9 had a cross-site scripting (XSS) vulnerability. If an attacker is able to inject data into an index that has a ML job running against it, then when another user views the results of the ML job it could allow the attacker to obtain sensitive information from or perform destructive actions on behalf of that other ML user.

Frequently asked questions

What is CVE-2018-3824?: X-Pack Machine Learning versions before 6.2.4 and 5.6.9 had a cross-site scripting (XSS) vulnerability. If an attacker is able to inject data into an index that has a ML job running against it, then when another user views the results of the ML job it could allow the attacker to obtain sensitive information from or perform destructive actions on behalf of that other ML user.
How severe is CVE-2018-3824?: CVE-2018-3824 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-3824 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3824?: CVE-2018-3824 primarily affects Elastic Elasticsearch X-pack. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-3824?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3824 published?: CVE-2018-3824 was published on 2018-09-19 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:elastic:elasticsearch_x-pack:*:*:*:*:*:*:*:*
cpe:2.3:a:elastic:kibana_x-pack:*:*:*:*:*:*:*:*
cpe:2.3:a:elastic:logstash_x-pack:*:*:*:*:*:*:*:*

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