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Splunk EUVDEUVD-2025-20297

| CVE-2025-20322 MEDIUM
Cross-Site Request Forgery (CSRF) (CWE-352)
2025-07-07 psirt@cisco.com
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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

Impact

An attacker can perform state-changing operations (password changes, fund transfers, data deletion) using the victim's authenticated session. With a CVSS score of 4.3 (MEDIUM), this represents a moderate risk.

Exploit ScenarioDerived

An attacker hosts a malicious page that, when visited by an authenticated user, silently submits a forged request to the target application using the user's cookies.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

In Splunk Enterprise versions below 9.4.3, 9.3.5, 9.2.7, and 9.1.10, and Splunk Cloud Platform versions below 9.3.2411.104, 9.3.2408.113, and 9.2.2406.119, an unauthenticated attacker could send a specially-crafted SPL search command that could trigger a rolling restart in the Search Head Cluster through a Cross-Site Request Forgery (CSRF), potentially leading to a denial of service (DoS).<br><br>The vulnerability requires the attacker to phish the administrator-level victim by tricking them into initiating a request within their browser. The attacker should not be able to exploit the vulnerability at will.<br><br>See How rolling restart works for more information.

Earlier versions of this analysis (1)
v1 Mar 16, 2026 - 03:37 CVSS 4.3

RemediationAI

Implement anti-CSRF tokens for all state-changing operations. Use SameSite cookie attribute. Verify the Origin/Referer header on the server side.

Affected VersionsENISA

Splunk Enterprise 9.3 <9.3.5
Splunk Enterprise 9.2 <9.2.7
Splunk Enterprise Cloud 9.2.2406 <9.2.2406.119
Splunk Enterprise 9.4 <9.4.3
Splunk Enterprise Cloud 9.3.2411 <9.3.2411.104
Splunk Enterprise Cloud 9.3.2408 <9.3.2408.113
Splunk Enterprise 9.1 <9.1.10

Affected Packages

euvd splunk_enterprise fix: 9.1.10, 9.2.7, 9.3.5, 9.4.3
euvd splunk_enterprise_cloud fix: 9.2.2406.119, 9.3.2408.113, 9.3.2411.104

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

Cross-Site Request Forgery forces authenticated users to perform unintended actions by tricking their browser into sending forged requests. This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352).

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Patch available
Apr 16, 2026 - 05:29 EUVD
9.3.5,9.2.7,9.2.2406.119
CVE Published
Jul 07, 2025 - 18:15 nvd
MEDIUM 4.3

Executive ViewAI

Why It Matters

Organizations using Splunk Enterprise should be aware of moderate risk from CVE-2025-20322, a cross-site request forgery vulnerability rated CVSS 4.3. Users could be tricked into performing unintended actions. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: implement SameSite cookie attributes and anti-CSRF tokens.

Threat Intelligence Overview

EPSS Score
0.1%
Top 85% 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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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