How severe is CVE-2017-8442?

CVE-2017-8442 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-8442 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8442?

CVE-2017-8442 affects Elastic X-pack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8442?

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

When was CVE-2017-8442 published?

CVE-2017-8442 was published on 2017-07-07 and last updated on 2026-06-17.

CVE-2017-8442

CVE-2017-8442 is a medium-severity vulnerability in Elastic X-pack with a CVSS 3.x base score of 6.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Elastic X-pack
Published: 2017-07-07
Last modified: 2026-06-17

Description

Elasticsearch X-Pack Security versions 5.0.0 to 5.4.3, when enabled, can result in the Elasticsearch _nodes API leaking sensitive configuration information, such as the paths and passphrases of SSL keys that were configured as part of an authentication realm. This could allow an authenticated Elasticsearch user to improperly view these details.

Frequently asked questions

What is CVE-2017-8442?: Elasticsearch X-Pack Security versions 5.0.0 to 5.4.3, when enabled, can result in the Elasticsearch _nodes API leaking sensitive configuration information, such as the paths and passphrases of SSL keys that were configured as part of an authentication realm. This could allow an authenticated Elasticsearch user to improperly view these details.
How severe is CVE-2017-8442?: CVE-2017-8442 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-8442 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8442?: CVE-2017-8442 affects Elastic X-pack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8442?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-8442 published?: CVE-2017-8442 was published on 2017-07-07 and last updated on 2026-06-17.

References

https://www.elastic.co/community/security

Affected products (1)

cpe:2.3:a:elastic:x-pack:*:*:*:*:*:*:*:*

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