CVE-2017-17067

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-11-30 · updated 2026-06-17
Weakness: CWE-863

Description

Splunk Web in Splunk Enterprise 7.0.x before 7.0.0.1, 6.6.x before 6.6.3.2, 6.5.x before 6.5.6, 6.4.x before 6.4.9, and 6.3.x before 6.3.12, when the SAML authType is enabled, mishandles SAML, which allows remote attackers to bypass intended access restrictions or conduct impersonation attacks.

Affected products

Splunk Enterprise: from 6.3.0 before 6.3.12; from 6.4.0 before 6.4.9; from 6.5.0 before 6.5.6; from 6.6.0 before 6.6.3.2; from 7.0.0 before 7.0.0.1 — fixed in 6.3.12, 6.4.9, 6.5.6, 6.6.3.2, 7.0.0.1

How to fix

Upgrade to a fixed version: Splunk Enterprise 6.3.12, 6.4.9, 6.5.6, 6.6.3.2. Check the vendor advisory for mitigations.

References

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