CVE-2025-20371 | Unauthenticated Blind Server Side Request Forgery (SSRF) in Splunk Enterprise

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.

Published: 2025-10-01 Last update: 2025-10-08 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-20371 is rated Low Risk (37.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.07%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-20371

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-02 0.04% 0.07% +0.02%
2 2025-10-09 0.05% 0.04% -0.01%
3 2025-10-02 0.05%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-20371

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.6 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 [email protected]

Weakness enumeration for CVE-2025-20371

Affected software / configurations for CVE-2025-20371

Vendor Product Version Raw CPE
splunk splunk >= 9.2.0, < 9.2.8 cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
splunk splunk >= 9.3.0, < 9.3.6 cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
splunk splunk >= 9.4.0, < 9.4.4 cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
splunk splunk 10.0.0 cpe:2.3:a:splunk:splunk:10.0.0:*:*:*:enterprise:*:*:*
splunk splunk_cloud_platform >= 9.2.2406, < 9.2.2406.122 cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
splunk splunk_cloud_platform >= 9.3.2408, < 9.3.2408.119 cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
splunk splunk_cloud_platform >= 9.3.2411, < 9.3.2411.109 cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*

References for CVE-2025-20371

cvelogic Threat Intelligence