CVE-2026-20240
Published: May 20, 2026
Modified: May 20, 2026
CVSS v3.1
7.1
Description
In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.11, and 9.3.12, and Splunk Cloud Platform versions below 10.4.2603.1, 10.3.2512.9, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13, and 9.3.2411.129, a low-privileged user that does not hold the ‘admin’ or ‘power’ Splunk roles could cause a Denial of Service by exploiting the `coldToFrozen.sh` script in the `splunk_archiver` app to rename critical Splunk directories, making the instance non-functional.<br><br>The Denial of Service is possible because of missing input validation in the `coldToFrozen.sh` script, which accepts arbitrary file paths and renames them without restricting operations to safe directories.
| Vendor | Product | Versions |
|---|---|---|
Splunk | Splunk Enterprise | affected 10.2 - < 10.2.2affected 10.0 - < 10.0.5affected 9.4 - < 9.4.11affected 9.3 - < 9.3.12 |
Splunk | Splunk Cloud Platform | affected 10.4.2603 - < 10.4.2603.1affected 10.3.2512 - < 10.3.2512.9affected 10.2.2510 - < 10.2.2510.11affected 10.1.2507 - < 10.1.2507.21affected 10.0.2503 - < 10.0.2503.13+1 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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