CVE-2025-20389: Improper Input Validation in "label" column field in Splunk Secure Gateway App
In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and versions below 3.9.10, 3.8.58 and 3.7.28 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 craft a malicious payload through the label column field after adding a new device in the Splunk Secure Gateway app. This could potentially lead to a client-side denial of service (DoS).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-20389?
CVE-2025-20389 is classified as a moderate severity vulnerability.
Which versions of Splunk are affected by CVE-2025-20389?
CVE-2025-20389 affects Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, as well as Splunk Secure Gateway versions below 3.9.10, 3.8.58, and 3.7.28.
How do I fix CVE-2025-20389?
To fix CVE-2025-20389, you should upgrade to the latest versions of Splunk Enterprise or Splunk Secure Gateway.
Can a non-admin user exploit CVE-2025-20389?
Yes, CVE-2025-20389 can be exploited by low-privileged users who do not hold the "admin" or "power" roles.
What kind of attack is possible with CVE-2025-20389?
CVE-2025-20389 allows a non-privileged user to craft a malicious payload that could lead to unauthorized actions within Splunk.