CVE-2025-20388: Blind Server Side Request Forgery (SSRF) through Distributed Search Peers in Splunk Enterprise

Published Dec 3, 2025
·
Updated

In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.7, and 9.3.2411.116, a user who holds a role that contains the high privilege capability changeauthentication could enumerate internal IP addresses and network ports when adding new search peers to a Splunk search head in a distributed environment.

Affected Software

9 affected components
Splunk Splunk Enterprise<10.0.1, <9.4.6, <9.3.8, <9.2.10
Splunk Splunk Cloud Platform<10.1.2507.4, <10.0.2503.7, <9.3.2411.116
Splunk splunk>=9.2.0<9.2.10
Splunk splunk>=9.3.0<9.3.8
Splunk splunk>=9.4.0<9.4.6
Splunk splunk=10.0.0
Splunk Splunk Cloud Platform>=9.3.2411<9.3.2411.116
Splunk Splunk Cloud Platform>=10.0.2503<10.0.2503.6
Splunk Splunk Cloud Platform>=10.1.2507<10.1.2507.4

Event History

Dec 3, 2025
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-20388?

CVE-2025-20388 is classified as a high-severity vulnerability due to its potential impact on network security.

2

How do I fix CVE-2025-20388?

To fix CVE-2025-20388, upgrade to Splunk Enterprise version 10.0.1 or later, or Splunk Cloud Platform version 10.1.2507.4 or later.

3

What versions are affected by CVE-2025-20388?

CVE-2025-20388 affects Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, as well as Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.7, and 9.3.2411.116.

4

What capabilities are exploited in CVE-2025-20388?

CVE-2025-20388 can be exploited by users with the `change_authentication` capability, allowing them to enumerate internal IP addresses.

5

What are the risks of CVE-2025-20388?

The risks of CVE-2025-20388 include potential exposure of internal network details, which can lead to further attacks or unauthorized access.

Contact

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