6.5

CVE-2025-20321: splunk Cross-Site Request Forgery (CSRF)

CVSS: 6.5v3.1MediumAnalyzed
Published 07-07-2025Last modified 07-07-2025
Open JSON

Vulnerability summary

CVE-2025-20321 is a medium (CVSS 6.5) Cross-Site Request Forgery (CSRF) vulnerability in splunk. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.20%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-07-2025
    PublishedVulnerability first disclosed.
  2. 07-07-2025
    Last modifiedVulnerability information updated.

Description

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, 9.3.2408.114, and 9.2.2406.119, an unauthenticated attacker can send a specially-crafted SPL search that could change the membership state in a Splunk Search Head Cluster (SHC) through a Cross-Site Request Forgery (CSRF), potentially leading to the removal of the captain or a member of the SHC.<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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

+0.02 pp

From 0.18% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.20%

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

Splunk4 products
  • splunk≥ 9.1.0, < 9.1.10 | ≥ 9.2.0, < 9.2.7 | ≥ 9.3.0, < 9.3.5 | ≥ 9.4.0, < 9.4.3
  • splunk_cloud_platform≥ 9.2.2406, < 9.2.2406.119 | ≥ 9.3.2408, < 9.3.2408.114 | ≥ 9.3.2411, < 9.3.2411.104
  • splunk enterprise≥ 9.4, < 9.4.3 | ≥ 9.3, < 9.3.5 | ≥ 9.2, < 9.2.7 | ≥ 9.1, < 9.1.10
  • splunk enterprise cloud≥ 9.3.2411, < 9.3.2411.104 | ≥ 9.3.2408, < 9.3.2408.114 | ≥ 9.2.2406, < 9.2.2406.119

1 vendor · 4 products

References

1 links