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CVE-2025-20231: Sensitive Information Disclosure in Splunk Secure Gateway App

7.1 CVSS

Description

In Splunk Enterprise versions below 9.4.1, 9.3.3, 9.2.5, and 9.1.8, and versions below 3.8.38 and 3.7.23 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 run a search using the permissions of a higher-privileged user that could lead to disclosure of sensitive information.The vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The authenticated low-privileged user should not be able to exploit the vulnerability at will.

Classification

CVE ID: CVE-2025-20231

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Problem Types

Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

Affected Products

Vendor: Splunk, Splunk

Product: Splunk Enterprise, Splunk Secure Gateway

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 5.55% (scored less or equal to compared to others)

EPSS Date: 2025-04-24 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-20231
https://advisory.splunk.com/advisories/SVD-2025-0302

Timeline