VDB-334233 · CVE-2025-20389 · SVD-2025-1208

Splunk Enterprise/Cloud Platform/Secure Gateway label denial of service

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5.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Splunk Enterprise, Cloud Platform and Secure Gateway. This impacts an unknown function. Performing a manipulation of the argument label results in denial of service. This vulnerability was named CVE-2025-20389. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Splunk Enterprise, Cloud Platform and Secure Gateway (the affected version is unknown). This affects an unknown code. The manipulation of the argument label with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

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).

The advisory is shared at advisory.splunk.com. This vulnerability is uniquely identified as CVE-2025-20389 since 10/10/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 277113 (Splunk Enterprise 9.2 < 9.2.10, 9.3 < 9.3.8, 9.4 < 9.4.6, 10.0 < 10.0.2 (SVD-2025-1208)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (277113) and EUVD (EUVD-2025-201001). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Log Management Software

Vendor

Splunk

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 4.3
CNA Vector (cisco): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 277113
Nessus Name: Splunk Enterprise 9.2 < 9.2.10, 9.3 < 9.3.8, 9.4 < 9.4.6, 10.0 < 10.0.2 (SVD-2025-1208)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/10/2024 CVE reserved
12/03/2025 +419 days Advisory disclosed
12/03/2025 +0 days VulDB entry created
12/06/2025 +2 days VulDB entry last update

Sourcesinfo

Advisory: SVD-2025-1208
Status: Confirmed

CVE: CVE-2025-20389 (🔒)
GCVE (CVE): GCVE-0-2025-20389
GCVE (VulDB): GCVE-100-334233
EUVD: 🔒

Entryinfo

Created: 12/03/2025 23:50
Updated: 12/06/2025 00:05
Changes: 12/03/2025 23:50 (64), 12/04/2025 04:18 (2), 12/04/2025 14:29 (1), 12/06/2025 00:05 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.