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CVE-2023-22938

Permissions Validation Failure in the ‘sendemail’ REST API Endpoint in Splunk Enterprise

MEDIUM
4.3
CVSS Score
Published: February 14, 2023 at 05:24 PM UTC
Updated: June 17, 2026 at 05:36 AM UTC
2 products affected across 1 vendorSplunkSplunk Cloud Platform

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘sendemail’ REST API endpoint lets any authenticated user send an email as the Splunk instance. The endpoint is now restricted to the ‘splunk-system-user’ account on the local instance.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Splunk· Splunk
95%
8.1 ≤ v < 8.1.138.1.0 ≤ v < 8.1.138.2 ≤ v < 8.2.108.2.0 ≤ v < 8.2.109.0 ≤ v < 9.0.49.0.0 ≤ v < 9.0.48.18.29.0
Affected range stops below 8.1.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.4, so it looks safe — our inference, not a vendor statement
Splunk Cloud Platform· Splunk
95%
v < 9.0.2209.3v < 9.0.2212
Affected range stops below 9.0.2209.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.2212, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://advisory.splunk.com/advisories/SVD-2023-0208

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMSplunk
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-285NVD-CWE-noinfo

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