CVE-2025-20321— Membership State Change in Splunk Search Head Cluster through a Cross-Site Request Forgery (CSRF) in Splunk Enterprise
Quick assessment
Affected
Splunk Splunk Enterprise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Splunk Cloud Platform和Splunk Enterprise都是美国Splunk公司的产品。Splunk Cloud Platform是一个强大的数据收集、处理和分析服务。Splunk Enterprise是一套数据收集分析软件。 Splunk Enterprise和Splunk Cloud Platform存在跨站请求伪造漏洞，该漏洞源于跨站请求伪造，可能导致搜索头集群成员状态变更。以下产品及版本受到影响:Splunk Enterprise 9.4.3、9.3.5、9.2.7和9.1.
Possible ATT&CK Techniques 1 AI
T1556.004 · Network Device Authentication
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I. Basic Information for CVE-2025-20321
Vulnerability Information
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Vulnerability Title
Membership State Change in Splunk Search Head Cluster through a Cross-Site Request Forgery (CSRF) in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 9.4.3, 9.3.5, 9.2.7 and 9.1.10, and Splunk Cloud Platform versions below 9.3.2411.104, 9.3.2408.114, and 9.2.2406.119, an unauthenticated attacker can send a specially-crafted SPL search that could change the membership state in a Splunk Search Head Cluster (SHC) through a Cross-Site Request Forgery (CSRF), potentially leading to the removal of the captain or a member of the SHC.<br><br>The vulnerability requires the attacker to phish the administrator-level victim by tricking them into initiating a request within their browser. The attacker should not be able to exploit the vulnerability at will.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk Cloud Platform和Splunk Enterprise 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Cloud Platform和Splunk Enterprise都是美国Splunk公司的产品。Splunk Cloud Platform是一个强大的数据收集、处理和分析服务。Splunk Enterprise是一套数据收集分析软件。 Splunk Enterprise和Splunk Cloud Platform存在跨站请求伪造漏洞，该漏洞源于跨站请求伪造，可能导致搜索头集群成员状态变更。以下产品及版本受到影响:Splunk Enterprise 9.4.3、9.3.5、9.2.7和9.1.
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 | 9.4 ~ 9.4.3 | - |
|
| Splunk | Splunk Enterprise Cloud | 9.3.2411 ~ 9.3.2411.104 | - |
|
II. Public POCs for CVE-2025-20321
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-20321 (1)
Same Patch Batch · Splunk · 2025-07-07 · 8 CVEs total
| CVE-2025-20319 | 6.8 MEDIUM | Remote Command Execution through Scripted Input Files in Splunk Enterprise |
| CVE-2025-20320 | 6.3 MEDIUM | Denial of Service (DoS) through “User Interface - Views“ configuration page in Splunk Ente |
| CVE-2025-20324 | 5.4 MEDIUM | Improper Access Control in System Source Types Configuration in Splunk Enterprise |
| CVE-2025-20322 | 4.3 MEDIUM | Denial of Service (DoS) in Search Head Cluster through Cross-Site Request Forgery (CSRF) i |
| CVE-2025-20323 | 4.3 MEDIUM | Missing Access Control of Saved Searches in the Splunk Archiver app |
| CVE-2025-20300 | 4.3 MEDIUM | Improper Access Control Lets Low-Privilege Users Suppress Read-Only Alerts in Splunk Enter |
| CVE-2025-20325 | 3.1 LOW | Sensitive Information Disclosure in the SHCConfig logging channel in Clustered Deployments |
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