// For flags

CVE-2025-24011

Umbraco CMS Vulnerable to User Enumeration Feasible Based On Management API Timing and Response Codes

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, it's possible to determine whether an account exists based on an analysis of response codes and timing of Umbraco management API responses. Versions 14.3.2 and 15.1.2 contain a patch. No known workarounds are available.

*Credits: N/A
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:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-01-16 CVE Reserved
  • 2025-01-21 CVE Published
  • 2025-02-12 CVE Updated
  • 2025-03-26 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Umbraco
Search vendor "Umbraco"
 Umbraco-CMS
Search vendor "Umbraco" for product "Umbraco-CMS"
 >= 14.0.0 < 14.3.2
Search vendor "Umbraco" for product "Umbraco-CMS" and version " >= 14.0.0 < 14.3.2"
en
Affected
Umbraco
Search vendor "Umbraco"
 Umbraco-CMS
Search vendor "Umbraco" for product "Umbraco-CMS"
 >= 15.0.0 < 15.1.2
Search vendor "Umbraco" for product "Umbraco-CMS" and version " >= 15.0.0 < 15.1.2"
en
Affected