CVE-2023-40595

Remote Code Execution via Serialized Session Payload

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.43%
Vendor Advisory splunk.com Vendor Advisory splunk.com
Affected: Splunk Splunk Enterprise
Affected: Splunk Splunk Cloud
Published at:
Updated at:

References

Link Tags
https://advisory.splunk.com/advisories/SVD-2023-0804 vendor advisory
https://research.splunk.com/application/d1d8fda6-874a-400f-82cf-dcbb59d8e4db/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-40595?
CVE-2023-40595 has been scored as a high severity vulnerability.
How to fix CVE-2023-40595?
To fix CVE-2023-40595, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40595 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40595 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40595?
CVE-2023-40595 affects Splunk Splunk Enterprise, Splunk Splunk Cloud.
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