Improper access control in the Splunk Secure Gateway App



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-20230
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Splunk Enterprise
Server applications / IDS/IPS systems, Firewalls and proxy servers

Splunk Secure Gateway
Server applications / Remote management servers, RDP, SSH

Vendor Splunk Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU106069

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-20230

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and edit or delete other user data in App Key Value Store (KVStore) collections that the Splunk Secure Gateway app created.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 9.0.9 - 9.4.0

Splunk Secure Gateway: before 3.7.23

CPE2.3 External links

https://advisory.splunk.com/advisories/SVD-2025-0307


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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