CVE-2025-20381

| EUVD-2025-200993 MEDIUM
2025-12-03 [email protected]
Authentication Bypass
5.4
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Lifecycle Timeline

4
patch_available
Apr 16, 2026 - 05:29 EUVD
0.2.4
Analysis Generated
Mar 15, 2026 - 16:14 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 16:14 euvd
EUVD-2025-200993
CVE Published
Dec 03, 2025 - 17:15 nvd
MEDIUM 5.4

DescriptionNVD

In Splunk MCP Server app versions below 0.2.4, a user with access to the "run_splunk_query" Model Context Protocol (MCP) tool could bypass the SPL command allowlist controls in MCP by embedding SPL commands as sub-searches, leading to unauthorized actions beyond the intended MCP restrictions.

AnalysisAI

In Splunk MCP Server app versions below 0.2.4, a user with access to the "run_splunk_query" Model Context Protocol (MCP) tool could bypass the SPL command allowlist controls in MCP by embedding SPL commands as sub-searches, leading to unauthorized actions beyond the intended MCP restrictions.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

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CVE-2025-20381 vulnerability details – vuln.today
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