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CVE-2021-33845

Username enumeration through lockout message in REST API

CVSS 5.3 MEDIUMEPSS 0.8%CWE-203
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Splunk · Splunk Enterprise

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References
https://research.splunk.com/application/splunk_user_enumeration_attempt/https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html