CVE-2023-40593 MEDIUM

CVE-2023-40593: Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request

Vendor Splunk
Product Splunk Enterprise
Weakness CWE-400
Published August 30, 2023
Last update February 28, 2025
View on NVD All CVEs

CVSS base score

6.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 30, 2023 CVE published
February 28, 2025 Record updated