CVE-2025-20389: Improper Input Validation in "label" column field in Splunk Secure Gateway App
Splunk · Splunk Enterprise
Vendor fix available · Affected: Splunk Enterprise · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 39% of scored CVEs
DescriptionCVE.org
In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and versions below 3.9.10, 3.8.58 and 3.7.28 of the Splunk Secure Gateway app on Splunk Cloud Platform, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious payload through the `label` column field after adding a new device in the Splunk Secure Gateway app. This could potentially lead to a client-side denial of service (DoS).
Affected products3
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Splunk · Splunk Enterprisefrom 10.0 before 10.0.2; from 9.4 before 9.4.6; from 9.3 before 9.3.8; from 9.2 before 9.2.10
- Splunk · Splunk Cloud Platformfrom 10.1.2507 before 10.1.2507.6; from 10.0.2503 before 10.0.2503.8; from 9.3.2411 before 9.3.2411.120
- Splunk · Splunk Secure Gatewayfrom 3.9 before 3.9.10; from 3.8 before 3.8.58; from 3.7 before 3.7.28
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Splunk
- Published
- December 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-20389 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.