CVE-2025-20389— Improper Input Validation in "label" column field in Splunk Secure Gateway App
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I. Basic Information for CVE-2025-20389
Vulnerability Information
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Vulnerability Title
Improper Input Validation in "label" column field in Splunk Secure Gateway App
Source: NVD (National Vulnerability Database)
Vulnerability 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).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Splunk Enterprise和Splunk Secure Gateway 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Enterprise和Splunk Secure Gateway都是美国Splunk公司的产品。Splunk Enterprise是一套数据收集分析软件。Splunk Secure Gateway是一个安全网关。 Splunk Enterprise和Splunk Secure Gateway存在输入验证错误漏洞，该漏洞源于低权限用户可通过label列字段构造恶意有效载荷，可能导致客户端拒绝服务。以下版本受到影响：Splunk Enterprise 10.0.2之前版本、9.4.6版本、9.3
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Splunk | Splunk Enterprise | 10.0 ~ 10.0.2 | - | |
| Splunk | Splunk Cloud Platform | 10.1.2507 ~ 10.1.2507.6 | - | |
| Splunk | Splunk Secure Gateway | 3.9 ~ 3.9.10 | - |
II. Public POCs for CVE-2025-20389
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Splunk · 2025-12-03 · 9 CVEs total
| CVE-2025-20387 | 8.0 HIGH | Incorrect permissions assignment on Splunk Universal Forwarder for Windows during new inst |
| CVE-2025-20386 | 8.0 HIGH | Incorrect permission assignment on Splunk Enterprise for Windows during new installation o |
| CVE-2025-20381 | 5.4 MEDIUM | SPL commands allowlist controls bypass in Splunk MCP Server app through "run_splunk_query" |
| CVE-2025-20384 | 5.3 MEDIUM | Unauthenticated Log Injection in Splunk Enterprise |
| CVE-2025-20383 | 4.3 MEDIUM | Improper access control through push notifications for reports and alerts in Splunk Secure |
| CVE-2025-20382 | 3.5 LOW | URL validation bypass through Views Dashboard in Splunk Enterprise |
| CVE-2025-20388 | 2.7 LOW | Blind Server Side Request Forgery (SSRF) through Distributed Search Peers in Splunk Enterp |
| CVE-2025-20385 | 2.4 LOW | Stored Cross-Site scripting (XSS) through Anchor Tag "href" in Navigation Bar Collections |
IV. Related Vulnerabilities
Same product: Splunk Enterprise
- CVE-2026-20203
Improper Access Control in Data Model Acceleration in Splunk - CVE-2026-20204
Improper Handling and Insufficient Isolation of Specific Tem - CVE-2026-20202
Improper Input Validation during User Account Creation in Sp - CVE-2026-20163
Remote Command Execution (RCE) through the '/splunkd/__uploa - CVE-2026-20162
Stored Cross-Site Scripting (XSS) through Path Traversal in
Same vendor: Splunk
- CVE-2026-20205
Sensitive Information Disclosure in ''_internal'' index in S - CVE-2026-20203
Improper Access Control in Data Model Acceleration in Splunk - CVE-2026-20204
Improper Handling and Insufficient Isolation of Specific Tem - CVE-2026-20202
Improper Input Validation during User Account Creation in Sp - CVE-2026-20163
Remote Command Execution (RCE) through the '/splunkd/__uploa
Same weakness: CWE-20
V. Comments for CVE-2025-20389
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