CVE-2023-40595
Remote Code Execution via Serialized Session Payload
HIGH
8.8
CVSS Score
Published: August 30, 2023 at 04:19 PM UTC
Updated: June 17, 2026 at 06:18 AM UTC
2 products affected across 1 vendorSplunkSplunk Cloud Platform
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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 9.0.2305.2008.2 ≤ v < 8.2.128.2.0 ≤ v < 8.2.129.0 ≤ v < 9.0.69.0.0 ≤ v < 9.0.69.1 ≤ v < 9.1.18.29.09.19.1.0
Affected range stops below 8.2.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.2305.200, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1.1, so it looks safe — our inference, not a vendor statement
v ≤ 9.0.2305.100
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
CVSS
8.8HIGHSplunk
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-502
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