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Status published
Medium
CVE-2023-40593
Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request
Vulnerability Description
In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Aaron Devaney (Dodekeract)
References
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Affected Vendor
Splunk
View all reports →Affected Software
Splunk Enterprise, Splunk Cloud
Vulnerable Versions:
8.2, 9.0, -
Timeline
Official Publish:
August 30th, 2023
Last Modified:
February 28th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H