In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.6, 10.2.2510.10, 10.1.2507.20, 10.0.2503.13, and 9.3.2411.127, a user who holds a role that contains the high-privilege capability `edit_user`could create a specially crafted username that includes a null byte or a non-UTF-8 percent-encoded byte due to improper input validation.<br><br>This could lead to inconsistent conversion of usernames into a proper format for storage and account management inconsistencies, such as being unable to edit or delete affected users.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 9
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
|
9.3.0
|
9.3.11
|
|
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
|
9.4.0
|
9.4.10
|
|
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
|
10.0.0
|
10.0.5
|
|
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
|
10.2.0
|
10.2.2
|
|
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
|
9.3.2411
|
9.3.2411.127
|
|
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
|
10.0.2503
|
10.0.2503.13
|
|
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
|
10.1.2507
|
10.1.2507.20
|
|
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
|
10.2.2510
|
10.2.2510.10
|
|
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
|
10.3.2512
|
10.3.2512.6
|