Splunk Enterprise/Cloud Platform Search Result access control

Summaryinfo

A vulnerability has been found in Splunk Enterprise and Cloud Platform and classified as critical. The affected element is an unknown function of the component Search Result Handler. The manipulation leads to access control. This vulnerability is documented as CVE-2025-20366. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Splunk Enterprise and Cloud Platform (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Search Result Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. The summary by CVE is:

In Splunk Enterprise versions below 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.111, 9.3.2408.119, and 9.2.2406.122, a low-privileged user that does not hold the admin or power Splunk roles could access sensitive search results if Splunk Enterprise runs an administrative search job in the background. If the low privileged user guesses the search job’s unique Search ID (SID), the user could retrieve the results of that job, potentially exposing sensitive search results. For more information see https://help.splunk.com/en/splunk-enterprise/search/search-manual/10.0/manage-jobs/about-jobs-and-job-management and https://help.splunk.com/en/splunk-enterprise/search/search-manual/10.0/manage-jobs/manage-search-jobs.

It is possible to read the advisory at advisory.splunk.com. The identification of this vulnerability is CVE-2025-20366 since 10/10/2024. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 266443 (Splunk Enterprise 9.2.0 < 9.2.8, 9.3.0 < 9.3.6, 9.4.0 < 9.4.4 (SVD-2025-1001)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (266443). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Log Management Software

Vendor

• Splunk

Name

• Cloud Platform
• Enterprise

License

• commercial

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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