CVE-2023-40595

Remote Code Execution via Serialized Session Payload

State: Published
Severity: 8.8 High
Published: Aug 30, 2023
Updated: Feb 28, 2025
Reserved: Aug 16, 2023

Description

In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary code.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Splunk

Weaknesses

CWE-502 The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

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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