CVE-2025-20229: splunk Access Control Flaw — Fix

Description

In Splunk Enterprise versions below 9.3.3, 9.2.5, and 9.1.8, and Splunk Cloud Platform versions below 9.3.2408.104, 9.2.2406.108, 9.2.2403.114, and 9.1.2312.208, a low-privileged user that does not hold the "admin" or "power" Splunk roles could perform a Remote Code Execution (RCE) through a file upload to the "$SPLUNK_HOME/var/run/splunk/apptemp" directory due to missing authorization checks.

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CVSS v3.1 Score

8.0

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
splunk	splunk	9.1.0 — 9.1.8
splunk	splunk	9.2.0 — 9.2.5
splunk	splunk	9.3.0 — 9.3.3
splunk	splunk	All
splunk	splunk_cloud_platform	9.1.2312 — 9.1.2312.208
splunk	splunk_cloud_platform	9.2.2403 — 9.2.2403.114
splunk	splunk_cloud_platform	9.2.2406.100 — 9.2.2406.108
splunk	splunk_cloud_platform	9.3.2408.100 — 9.3.2408.104

References

Advisories & Patches

https://advisory.splunk.com/advisories/SVD-2025-0301

Frequently Asked Questions

What is CVE-2025-20229? +

In Splunk Enterprise versions below 9.3.3, 9.2.5, and 9.1.8, and Splunk Cloud Platform versions below 9.3.2408.104, 9.2.2406.108, 9.2.2403.114, and 9.1.2312.208, a low-privileged user that does not hold the "admin" or "power" Splunk roles could perform a Remote Code Execution (RCE) through a file upload to the "$SPLUNK_HOME/var/run/splunk/apptemp" directory due to missing authorization checks. It has a CVSS v3.1 base score of 8.0 (HIGH).

How severe is CVE-2025-20229? +

CVE-2025-20229 has a CVSS v3.1 score of 8.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-20229? +

CVE-2025-20229 affects products from splunk, specifically: splunk, splunk_cloud_platform. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-20229? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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