How severe is CVE-2017-8452?

CVE-2017-8452 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-8452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8452?

CVE-2017-8452 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8452?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-8452 published?

CVE-2017-8452 was published on 2017-06-16 and last updated on 2026-06-17.

CVE-2017-8452

CVE-2017-8452 is a high-severity vulnerability in Elastic Kibana with a CVSS 3.x base score of 7.5. 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-769.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-769
Affected product: Elastic Kibana
Published: 2017-06-16
Last modified: 2026-06-17

Description

Kibana versions prior to 5.2.1 configured for SSL client access, file descriptors will fail to be cleaned up after certain requests and will accumulate over time until the process crashes.

Frequently asked questions

What is CVE-2017-8452?: Kibana versions prior to 5.2.1 configured for SSL client access, file descriptors will fail to be cleaned up after certain requests and will accumulate over time until the process crashes.
How severe is CVE-2017-8452?: CVE-2017-8452 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-8452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8452?: CVE-2017-8452 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8452?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-8452 published?: CVE-2017-8452 was published on 2017-06-16 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

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