GitHub Repo

Detection: Splunk Disable KVStore via CSRF Enabling Maintenance Mode

REMOVED DETECTION

This detection has been removed from the Splunk Threat Research content library and is no longer maintained or supported.

Reason: Detection is deprecated as the associated CVEs have been patched in the latest Splunk release.

Removed in version: 5.6.0

If you have any questions or concerns, please reach out to us at research@splunk.com.

Updated Date: 2026-05-14 ID: 34bac267-a89b-4bd7-a072-a48eef1f15b8 Author: Rod Soto Type: TTP Product: Splunk Enterprise Security

Description

In Splunk Enterprise versions below 9.3.1, 9.2.3, and 9.1.6 and Splunk Cloud Platform versions below 9.2.2403.108, 9.1.2312.204, and 9.1.2308.211, a low-privileged user that does not hold the “admin” or “power” Splunk roles could change the maintenance mode state of App Key Value Store (KVStore) through a Cross-Site Request Forgery (CSRF).

1`splunkda` method=GET uri_path IN ("/services*", /"servicesNS*") AND uri_path = "*kvstore/maintenance/change" AND uri_query IN ("*mode=t*", "*mode=1*") 
2| stats count min(_time) as firstTime max(_time) as lastTime by user host uri clientip  
3| `security_content_ctime(firstTime)` 
4| `security_content_ctime(lastTime)`  
5| `splunk_disable_kvstore_via_csrf_enabling_maintenance_mode_filter`

Data Source

Name Platform Sourcetype Source
Splunk Splunk icon Splunk 'splunkd_ui_access' 'splunkd_ui_access.log'

Macros Used

Name Value
splunkda index=_internal sourcetype=splunkd_access
splunk_disable_kvstore_via_csrf_enabling_maintenance_mode_filter ``
splunk_disable_kvstore_via_csrf_enabling_maintenance_mode_filter is an empty macro by default. It allows the user to filter out any results (false positives) without editing the SPL.

Annotations

- MITRE ATT&CK
+ Kill Chain Phases
+ NIST
+ CIS
- Threat Actors
ID Technique Tactic
T1489 Service Stop Impact

CVE

Default Configuration

This detection is configured by default in Splunk Enterprise Security to run with the following settings:

Setting Value
Disabled true
Cron Schedule N/A
Earliest Time N/A
Latest Time N/A
Schedule Window N/A
Creates Finding (Notable) No
Creates Intermediate Finding (Risk Event) No
TTP detections generate a Finding (Notable) and may generate Intermediate Findings (Risk Events) for associated entities.

Implementation

Requires access to internal indexes and web service enabled.

Known False Positives

This search will produce false positives, operator must verify the context of access and the use of GET request against KVStore specifiying maintenance mode, especially non admin users.

Associated Analytic Story

References

Detection Testing

Test Type Status Dataset Source Sourcetype
Validation Not Applicable N/A N/A N/A
Unit Not Applicable N/A N/A N/A
Integration Not Applicable N/A N/A N/A

Replay any dataset to Splunk Enterprise by using our replay.py tool or the UI. Alternatively you can replay a dataset into a Splunk Attack Range

Source: GitHub |

Version: 5