Authentication Privilege Vulnerability in Splunk Enterprise and Cloud Platform
CVE-2025-20388

2.7LOW

Key Information:

Vendor

Splunk
Status
Splunk Enterprise
Splunk Cloud Platform
Vendor
CVE Published:
3 December 2025

What is CVE-2025-20388?

In specific versions of Splunk Enterprise and Splunk Cloud Platform, a user with high-level privileges designated by the change_authentication capability can exploit the system to enumerate sensitive internal IP addresses and network ports. This vulnerability can occur when adding new search peers to a Splunk search head within a distributed setup, potentially exposing the network configuration to unauthorized access.

Affected Version(s)

Splunk Cloud Platform 10.1.2507 < 10.1.2507.4

Splunk Cloud Platform 10.0.2503 < 10.0.2503.6

Splunk Cloud Platform 9.3.2411 < 9.3.2411.116

References

https://advisory.splunk.com/advisories/SVD-2025-1207

CVSS V3.1

Score:
2.7
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mr Hack (try_to_hack) Santiago Lopez
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