Medium 4.3Published Dec 3, 2025

CVE-2025-20389Improper Input Validation in "label" column field in Splunk Secure Gateway App

Updated under an hour ago (Oct 28, 2026, 8:23 AM ET)

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It affects Splunk Enterprise and 5 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Splunk Enterprise

Exploited in the last 30 days

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).

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: cisco
NVD analysis: Analyzed
Record last updated: Dec 3, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Splunk Splunk Enterprise splunk:enterprise (from the name)	from 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	CNA record
Splunk Splunk Cloud Platform splunk:cloud_platform (from the name)	from 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	CNA record
Splunk Splunk Secure Gateway splunk:secure_gateway (from the name)	from 3.9 before 3.9.10; from 3.8 before 3.8.58; from 3.7 before 3.7.28	CNA record
splunk splunk splunk:splunk	from 9.2.0 before 9.2.10; from 9.3.0 before 9.3.8; from 9.4.0 before 9.4.6; from 10.0.0 before 10.0.2	NVD
splunk splunk_cloud_platform splunk:splunk_cloud_platform	from 9.3.2411 before 9.3.2411.120; from 10.0.2503 before 10.0.2503.8; from 10.1.2507 before 10.1.2507.6	NVD
splunk splunk_secure_gateway splunk:splunk_secure_gateway	from 3.7.0 before 3.7.28; from 3.8.0 before 3.8.58; from 3.9.0 before 3.9.10	NVD

References

References

https://advisory.splunk.com/advisories/SVD-2025-1208	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.