Is CVE-2018-3831 in the CISA KEV catalog?

No. CVE-2018-3831 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-3831?

CVE-2018-3831 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-3831?

CVE-2018-3831 has an EPSS score of 1.98% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-3831?

Upgrade Elasticsearch to 6.4.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-3831

HIGHEPSS 78th pctl

8.8

CVSS v3

NVD

Description

Elasticsearch Alerting and Monitoring in versions before 6.4.1 or 5.6.12 have an information disclosure issue when secrets are configured via the API. The Elasticsearch _cluster/settings API, when queried, could leak sensitive configuration information such as passwords, tokens, or usernames. This could allow an authenticated Elasticsearch user to improperly view these details.

CWE-200Information Exposure

How to fix

Remediation Available

ElasticsearchWindows application

Affected:6.0.0 6.4.1Fixed in:6.4.1Elastic

Affected:5.6.0 5.6.12Fixed in:5.6.12Elastic

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.98%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.