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Status published
Medium
CVE-2021-33845
Username enumeration through lockout message in REST API
Vulnerability Description
The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Kyle Bambrick
References
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Affected Vendor
Splunk
View all reports →Affected Software
Splunk Enterprise
Vulnerable Versions:
Version(s) before 8.1.7
Timeline
Official Publish:
May 6th, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N