8.8

CVE-2025-20371: splunk Server-Side Request Forgery (SSRF)

CVSS: 8.8v3.1HighAnalyzed
Published 01-10-2025Last modified 26-02-2026

Vulnerability summary

CVE-2025-20371 is a high (CVSS 8.8) Server-Side Request Forgery (SSRF) vulnerability in splunk. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.2% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.47%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-10-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

In Splunk Enterprise versions below 10.0.1, 9.4.4, 9.3.6 and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.109, 9.3.2408.119 and 9.2.2406.122, an unauthenticated attacker could trigger a blind server-side request forgery (SSRF) potentially letting an attacker perform REST API calls on behalf of an authenticated high-privileged user.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.47%

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≥ 9.2.0, < 9.2.8 | ≥ 9.3.0, < 9.3.6 | ≥ 9.4.0, < 9.4.4 | 10.0.0
  • splunk_cloud_platform≥ 9.2.2406, < 9.2.2406.122 | ≥ 9.3.2408, < 9.3.2408.119 | ≥ 9.3.2411, < 9.3.2411.109
  • splunk enterprise≥ 10.0, < 10.0.1 | ≥ 9.4, < 9.4.4 | ≥ 9.3, < 9.3.6 | ≥ 9.2, < 9.2.8

1 vendor · 3 products

References

1 links