CVE-2021-33845

Username enumeration through lockout message in REST API

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory splunk.com Vendor Advisory splunk.com
Affected: Splunk Splunk Enterprise
Published at:
Updated at:

References

Link Tags
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html vendor advisory
https://research.splunk.com/application/splunk_user_enumeration_attempt/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33845?
CVE-2021-33845 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33845?
To fix CVE-2021-33845, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33845 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33845 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33845?
CVE-2021-33845 affects Splunk Splunk Enterprise.
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