CVE-2025-20384

In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125, an unauthenticated attacker can inject American National Standards Institute (ANSI) escape codes into Splunk log files due to improper validation at the /en-US/static/ web endpoint. This may allow them to poison, forge, or obfuscate sensitive log data through specially crafted HTTP requests, potentially impacting log integrity and detection capabilities.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://advisory.splunk.com/advisories/SVD-2025-1203	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:splunk:splunk:::::enterprise:::*
	cpe:2.3:a:splunk:splunk:::::enterprise:::*
	cpe:2.3:a:splunk:splunk:::::enterprise:::*
	cpe:2.3:a:splunk:splunk:10.0.0::::enterprise:::
	cpe:2.3:a:splunk:splunk_cloud_platform::::::::
	cpe:2.3:a:splunk:splunk_cloud_platform::::::::
	cpe:2.3:a:splunk:splunk_cloud_platform::::::::

History

05 Dec 2025, 18:14

Type	Values Removed	Values Added
References	~~() https://advisory.splunk.com/advisories/SVD-2025-1203 -~~	() https://advisory.splunk.com/advisories/SVD-2025-1203 - Vendor Advisory
First Time		Splunk splunk Splunk Splunk splunk Cloud Platform
CPE		cpe:2.3:a:splunk:splunk:10.0.0::::enterprise::: cpe:2.3:a:splunk:splunk:::::enterprise:::* cpe:2.3:a:splunk:splunk_cloud_platform::::::::

03 Dec 2025, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-03 17:15

Updated : 2025-12-05 18:14

NVD link : CVE-2025-20384

Mitre link : CVE-2025-20384

CVE.ORG link : CVE-2025-20384

JSON object : View

Products Affected

splunk

splunk_cloud_platform
splunk

CWE

CWE-117

Improper Output Neutralization for Logs

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