How severe is CVE-2017-8447?

CVE-2017-8447 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 none, integrity high, and availability none.

Is CVE-2017-8447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8447?

CVE-2017-8447 primarily affects Elastic X-pack. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-8447?

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

When was CVE-2017-8447 published?

CVE-2017-8447 was published on 2017-09-29 and last updated on 2026-06-17.

CVE-2017-8447

CVE-2017-8447 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.5
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Elastic X-pack
Published: 2017-09-29
Last modified: 2026-06-17

Description

An error was found in the X-Pack Security 5.3.0 to 5.5.2 privilege enforcement. If a user has either 'delete' or 'index' permissions on an index in a cluster, they may be able to issue both delete and index requests against that index.

Frequently asked questions

What is CVE-2017-8447?: An error was found in the X-Pack Security 5.3.0 to 5.5.2 privilege enforcement. If a user has either 'delete' or 'index' permissions on an index in a cluster, they may be able to issue both delete and index requests against that index.
How severe is CVE-2017-8447?: CVE-2017-8447 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 none, integrity high, and availability none.
Is CVE-2017-8447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8447?: CVE-2017-8447 primarily affects Elastic X-pack. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-8447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-8447 published?: CVE-2017-8447 was published on 2017-09-29 and last updated on 2026-06-17.

References

https://discuss.elastic.co/t/x-pack-security-5-6-0-and-5-5-3-security-update/100089

Affected products (7)

cpe:2.3:a:elastic:x-pack:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:elastic:x-pack:5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:elastic:x-pack:5.3.2:*:*:*:*:*:*:*
cpe:2.3:a:elastic:x-pack:5.3.3:*:*:*:*:*:*:*
cpe:2.3:a:elastic:x-pack:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:elastic:x-pack:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:elastic:x-pack:5.5.2:*:*:*:*:*:*:*

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