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CVE-2025-20229: splunk Improper Access Control

CVSS: 8.0v3.1HighAnalyzed
Published 26-03-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-20229 is a high (CVSS 8.0) Improper Access Control vulnerability in splunk. EPSS estimates a 16.02% chance of exploitation in the next 30 days, higher than 96.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
16.02%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-03-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

16.02%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 16.02% on 19-09-2026

19-09-202619-10-2026
EPSS score
16.02%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Splunk3 products
  • splunk≥ 9.1.0, < 9.1.8 | ≥ 9.2.0, < 9.2.5 | ≥ 9.3.0, < 9.3.3 | 9.4.0
  • splunk_cloud_platform≥ 9.3.2408, < 9.3.2408.104 | ≥ 9.2.2406, < 9.2.2406.108 | ≥ 9.1.2312, < 9.1.2312.208 | ≥ 9.2.2403, < 9.2.2403.114 | ≥ 9.2.2406.100, < 9.2.2406.108 | ≥ 9.3.2408.100, < 9.3.2408.104
  • splunk enterprise≥ 9.4, < 9.4.0 | ≥ 9.3, < 9.3.3 | ≥ 9.2, < 9.2.5 | ≥ 9.1, < 9.1.8

1 vendor · 3 products

References

1 links