CVE-2023-40598

Command Injection in Splunk Enterprise Using External Lookups

State: Published
Severity: 8.5 High
Published: Aug 30, 2023
Updated: Feb 28, 2025
Reserved: Aug 16, 2023

Description

In Splunk Enterprise versions below 8.2.12, 9.0.6, and 9.1.1, an attacker can create an external lookup that calls a legacy internal function. The attacker can use this internal function to insert code into the Splunk platform installation directory. From there, a user can execute arbitrary code on the Splunk platform Instance.

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	Splunk

Weaknesses

CWE-77 The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Affected Products

Product	Versions
Splunk EnterpriseSplunk	8.2 to before 8.2.12Affected 9.0 to before 9.0.6Affected 9.1 to before 9.1.1Affected
Splunk CloudSplunk	- to before 9.0.2305.200Affected

References

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