CVE-2026-20240
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Splunk | Splunk Enterprise | 10.2 < 10.2.2 | affected |
| Splunk | Splunk Enterprise | 10.0 < 10.0.5 | affected |
| Splunk | Splunk Enterprise | 9.4 < 9.4.11 | affected |
| Splunk | Splunk Enterprise | 9.3 < 9.3.12 | affected |
| Splunk | Splunk Cloud Platform | 10.4.2603 < 10.4.2603.1 | affected |
| Splunk | Splunk Cloud Platform | 10.3.2512 < 10.3.2512.9 | affected |
| Splunk | Splunk Cloud Platform | 10.2.2510 < 10.2.2510.11 | affected |
| Splunk | Splunk Cloud Platform | 10.1.2507 < 10.1.2507.21 | affected |
| Splunk | Splunk Cloud Platform | 10.0.2503 < 10.0.2503.13 | affected |
| Splunk | Splunk Cloud Platform | 9.3.2411 < 9.3.2411.129 | affected |
Weaknesses
- CWE-20: The product does not validate or incorrectly validates input that can affect the control flow or data flow of a program.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.