VulnerabilityModified
CVE-2021-33845
The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message.
MEDIUM 5.3EPSS 0.90%
Does this matter?
Lower severity and a low EPSS score (0.90%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.90% probability · 59th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- splunk/splunk
- Source
- prodsec@splunk.com
EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://research.splunk.com/application/splunk_user_enumeration_attempt/Vendor Advisory
- https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.htmlVendor Advisory
- https://research.splunk.com/application/splunk_user_enumeration_attempt/Vendor Advisory
- https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.