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CVE-2025-20229

Remote Code Execution through file upload to “$SPLUNK_HOME/var/run/splunk/apptemp“ directory in Splunk Enterprise

HIGH
8
CVSS Score
Published: March 26, 2025 at 10:05 PM UTC
Updated: June 17, 2026 at 08:41 AM UTC
2 products affected across 1 vendorSplunkSplunk Cloud Platform

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Severity
HIGH8
Exploit prediction
EPSS 16%
SSVC
No known exploit

Description

In Splunk Enterprise versions below 9.3.3, 9.2.5, and 9.1.8, and Splunk Cloud Platform versions below 9.3.2408.104, 9.2.2406.108, 9.2.2403.114, and 9.1.2312.208, a low-privileged user that does not hold the "admin" or "power" Splunk roles could perform a Remote Code Execution (RCE) through a file upload to the "$SPLUNK_HOME/var/run/splunk/apptemp" directory due to missing authorization checks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Splunk· Splunk
95%
v < 9.4.09.1 ≤ v < 9.1.89.1.0 ≤ v < 9.1.89.2 ≤ v < 9.2.59.2.0 ≤ v < 9.2.59.3 ≤ v < 9.3.39.3.0 ≤ v < 9.3.39.19.29.39.49.4.0
Affected range stops below 9.1.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.4.0, so it looks safe — our inference, not a vendor statement
Splunk Cloud Platform· Splunk
95%
9.1.2312 ≤ v < 9.1.2312.2089.2.2403 ≤ v < 9.2.2403.1149.2.2406 ≤ v < 9.2.2406.1089.2.2406.100 ≤ v < 9.2.2406.1089.3.2408 ≤ v < 9.3.2408.1049.3.2408.100 ≤ v < 9.3.2408.1049.1.23129.2.24039.2.24069.3.2408
Affected range stops below 9.1.2312.208, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.2403.114, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.2406.108, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.3.2408.104, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://advisory.splunk.com/advisories/SVD-2025-0301

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGHcisco
Vector?

Quick Info

StatusANALYZED
CWE
CWE-284

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