No exploitation reportedFix available

CVE-2025-20229

Q: Is CVE-2025-20229 actively exploited?

Active exploitation of CVE-2025-20229 has not been confirmed. Its EPSS score was 16.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2025-20229?

CVE-2025-20229 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2025-03-26
Fixed in9.3.3 · 9.2.5 · 9.1.8
WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2025-03-2622:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-20229?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-20229?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Splunk

Branch	Affected	Fixed in	Source
9.3	≥ 9.3.0, < 9.3.3	9.3.3	NVD
9.2	≥ 9.2.0, < 9.2.5	9.2.5	NVD
9.1	≥ 9.1.0, < 9.1.8	9.1.8	NVD
9.4	= 9.4.0	no fix published	NVD

Splunk splunk cloud platform

Branch	Affected	Fixed in	Source
9.3	≥ 9.3.2408.100, < 9.3.2408.104	9.3.2408.104	NVD
9.2	≥ 9.2.2406.100, < 9.2.2406.108	9.2.2406.108	NVD
9.2	≥ 9.2.2403, < 9.2.2403.114	9.2.2403.114	NVD
9.1	≥ 9.1.2312, < 9.1.2312.208	9.1.2312.208	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Splunk to 9.3.3 · 9.2.5 · 9.1.8

Advisories and patches

advisory.splunk.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2025-03-28
OpenCVESSVC decisionnone—
CNACVSS 3.18read 2026-10-23
CNAweakness (CWE)CWE-284read 2026-10-23
FIRST EPSSEPSS score16.0 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published: 2025-03-26
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2025-20229?

Is CVE-2025-20229 actively exploited?

Active exploitation of CVE-2025-20229 has not been confirmed. Its EPSS score was 16.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-20229?

CVE-2025-20229 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

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