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Splunk EUVDEUVD-2025-200995

| CVE-2025-20388 LOW
Server-Side Request Forgery (SSRF) (CWE-918)
2025-12-03 psirt@cisco.com
2.7
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A10:2021 - Server-Side Request Forgery
ASVS 5.0
V12 - Files and Resources SSRF prevention, URL validation
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

Access to internal services, cloud metadata endpoints, or other resources not intended to be publicly accessible. Can lead to data exfiltration or further exploitation. With a CVSS score of 2.7 (LOW), this represents a low risk.

Exploit ScenarioDerived

An attacker provides a URL pointing to an internal service (e.g., http://169.254.169.254/latest/meta-data/) through a vulnerable parameter, causing the server to fetch and return internal data.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

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, 10.0.2503.7, and 9.3.2411.116, a user who holds a role that contains the high privilege capability change_authentication could enumerate internal IP addresses and network ports when adding new search peers to a Splunk search head in a distributed environment.

Earlier versions of this analysis (1)
v1 Mar 15, 2026 - 16:14 CVSS 2.7

RemediationAI

Validate and whitelist allowed URLs and IP ranges. Block requests to internal/private IP ranges. Use network segmentation to limit server-side request scope.

Affected VersionsENISA

Splunk Enterprise 9.3 <9.3.8
Splunk Cloud Platform 10.1.2507 <10.1.2507.4
Splunk Cloud Platform 9.3.2411 <9.3.2411.116
Splunk Cloud Platform 10.0.2503 <10.0.2503.6
Splunk Enterprise 9.2 <9.2.10
Splunk Enterprise 10.0 <10.0.1
Splunk Enterprise 9.4 <9.4.6

Affected Packages

euvd splunk_cloud_platform fix: 9.3.2411.116, 10.0.2503.6, 10.1.2507.4
euvd splunk_enterprise fix: 9.2.10, 9.3.8, 9.4.6, 10.0.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Server-Side Request Forgery allows an attacker to induce the server to make HTTP requests to arbitrary destinations, including internal services. This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918).

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.7 LOW
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch available
Apr 16, 2026 - 05:29 EUVD
9.3.8,10.1.2507.4,9.3.2411.116
CVE Published
Dec 03, 2025 - 17:15 nvd
LOW 2.7

Executive ViewAI

Why It Matters

CVE-2025-20388 is a low-severity vulnerability in Splunk Enterprise involving SSRF (CVSS 2.7). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation. Apply vendor updates when available as part of routine maintenance.

Business Impact: Low
Compensating Controls

Apply vendor patch during routine maintenance. Standard security controls provide adequate interim protection.

Threat Intelligence Overview

EPSS Score
0.0%
Top 87% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

14
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +14
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

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