CVE-2023-40595 HIGH

CVE-2023-40595: Remote Code Execution via Serialized Session Payload

Vendor Splunk
Product Splunk Enterprise
Weakness CWE-502 · Unsafe deserialization
Published August 30, 2023
Last update February 28, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

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