CVE-2023-22938

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

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

*Credits: James Ervin, Splunk

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-01-10 CVE Reserved
2023-02-14 CVE Published
2025-03-19 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-285: Improper Authorization

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://advisory.splunk.com/advisories/SVD-2023-0208	2024-04-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Splunk Search vendor "Splunk"		Splunk Search vendor "Splunk" for product "Splunk"				>= 8.1.0 < 8.1.13 Search vendor "Splunk" for product "Splunk" and version " >= 8.1.0 < 8.1.13"		enterprise		Affected
Splunk Search vendor "Splunk"		Splunk Search vendor "Splunk" for product "Splunk"				>= 8.2.0 < 8.2.10 Search vendor "Splunk" for product "Splunk" and version " >= 8.2.0 < 8.2.10"		enterprise		Affected
Splunk Search vendor "Splunk"		Splunk Search vendor "Splunk" for product "Splunk"				>= 9.0.0 < 9.0.4 Search vendor "Splunk" for product "Splunk" and version " >= 9.0.0 < 9.0.4"		enterprise		Affected
Splunk Search vendor "Splunk"		Splunk Cloud Platform Search vendor "Splunk" for product "Splunk Cloud Platform"				< 9.0.2209.3 Search vendor "Splunk" for product "Splunk Cloud Platform" and version " < 9.0.2209.3"		-		Affected