Inclusion of Sensitive Information in Log Files in Splunk Enterprise and Splunk Secure Gateway - CVE-2025-20231

 

Inclusion of Sensitive Information in Log Files in Splunk Enterprise and Splunk Secure Gateway - CVE-2025-20231

Published: March 26, 2025


Vulnerability identifier: #VU106068
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-20231
CWE-ID: CWE-532
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Splunk Inc.
Affected software:
Splunk Enterprise
Splunk Secure Gateway

Detailed vulnerability description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to the Splunk Secure Gateway exposes user session and authorization tokens in clear text in the splunk_secure_gateway.log file when it calls the /services/ssg/secrets REST endpoint. A remote unprivileged user can gain access to authorization tokens and use them to compromise the affected system.


How to mitigate CVE-2025-20231

Install updates from vendor's website.

Sources