CVE-2021-33845: Splunk

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

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.

Affected products

• Splunk Splunk: from 8.1.0, before 8.1.7 (fixed in 8.1.7)

Published 2022-05-06. Last modified 2026-06-17.