// For flags

CVE-2021-33845

Username enumeration through lockout message in REST API

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

La API REST de Splunk Enterprise permite enumerar los nombres de usuario por medio del mensaje de error de bloqueo. La vulnerabilidad potencial afecta a las instancias de Splunk Enterprise anteriores a 8.1.7 cuando están configuradas para reprimir los errores de inicio de sesión verboso

*Credits: Kyle Bambrick
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-03 CVE Reserved
  • 2022-05-06 CVE Published
  • 2023-11-27 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-203: Observable Discrepancy
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Splunk
Search vendor "Splunk"
 Splunk
Search vendor "Splunk" for product "Splunk"
 >= 8.1.0 < 8.1.7
Search vendor "Splunk" for product "Splunk" and version " >= 8.1.0 < 8.1.7"
enterprise
Affected