CVE-2025-20389
Unknown Unknown - Not Provided

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Vulnerability report for CVE-2025-20389, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2025-12-03

Last updated on: 2025-12-05

Assigner: Cisco Systems, Inc.

Description

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 Scores

EPSS Scores

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Meta Information

Published
2025-12-03
Last Modified
2025-12-05
Generated
2026-07-06
AI Q&A
2025-12-03
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 10 associated CPEs
Vendor Product Version / Range
splunk splunk From 9.2.0 (inc) to 9.2.10 (exc)
splunk splunk From 9.3.0 (inc) to 9.3.8 (exc)
splunk splunk From 9.4.0 (inc) to 9.4.6 (exc)
splunk splunk From 10.0.0 (inc) to 10.0.2 (exc)
splunk splunk_cloud_platform From 9.3.2411 (inc) to 9.3.2411.120 (exc)
splunk splunk_cloud_platform From 10.0.2503 (inc) to 10.0.2503.8 (exc)
splunk splunk_cloud_platform From 10.1.2507 (inc) to 10.1.2507.6 (exc)
splunk splunk_secure_gateway From 3.7.0 (inc) to 3.7.28 (exc)
splunk splunk_secure_gateway From 3.8.0 (inc) to 3.8.58 (exc)
splunk splunk_secure_gateway From 3.9.0 (inc) to 3.9.10 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-NVD-CWE-noinfo

Attack-Flow Graph

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Executive Summary

This vulnerability exists in certain versions of Splunk Enterprise and the Splunk Secure Gateway app on Splunk Cloud Platform. A low-privileged user without admin or power roles can craft a malicious payload through the 'label' column field after adding a new device in the Splunk Secure Gateway app. This crafted payload can potentially cause a client-side denial of service (DoS).

Impact Analysis

The vulnerability can lead to a client-side denial of service (DoS), which means that affected users may experience service interruptions or unavailability on the client side when interacting with the Splunk Secure Gateway app. This could disrupt normal operations and affect productivity.

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