Is CVE-2017-8441 in the CISA KEV catalog?

No. CVE-2017-8441 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8441?

CVE-2017-8441 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2017-8441?

CVE-2017-8441 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-8441?

Upgrade x-pack to 5.4.1 or later.

CVE & CISA-KEV Catalog

CVE-2017-8441

MEDIUM

4.3

CVSS v3

NVD

Description

Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.

CWE-279 CWE-200Information Exposure

How to fix

Remediation Available

x-packNVD

Affected:>= 5.4.0, < 5.4.1Fixed in:5.4.1CVE-2017-8441derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory3

Related Vulnerabilities

Other CWE-279 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4665	High	8.8	1.1%	-	Fix
CVE-2024-37734	Critical	9.8	0.8%	-	-
CVE-2023-50914	Medium	6.7	0.7%	-	-
CVE-2022-21699	High	8.2	0.7%	-	Fix
CVE-2023-3915	Medium	6.5	0.6%	-	Fix
CVE-2025-30001	High	7.3	0.5%	-	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 2026-05-13.