#VU106064 Cross-site request forgery in Splunk Enterprise - CVE-2025-20228

Vulnerability identifier: #VU106064

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-20228

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Splunk Enterprise
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Splunk Inc.

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website and change the maintenance mode state of App Key Value Store (KVStore).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 9.0.0 - 9.0.10, 9.1.0 - 9.1.7, 9.2.0 - 9.2.4, 9.3.0 - 9.3.2

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External links
https://advisory.splunk.com/advisories/SVD-2025-0303

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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