What is the CVSS score of CVE-2025-24011?

CVE-2025-24011 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 31.2%.

Which versions of Umbraco Cms are affected by CVE-2025-24011?

Organizations using version 14.0.0 and should be aware of moderate risk from CVE-2025-24011, a information exposure vulnerability rated CVSS 5.3.. A patch is available.

How to fix or mitigate CVE-2025-24011?

Within 30 days: Identify affected systems running version 14.0.0 and and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

Umbraco Cms CVE-2025-24011

MEDIUM

Information Exposure (CWE-200)

2025-01-21 security-advisories@github.com

Information Disclosure Umbraco Cms

5.3

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:04 vuln.today

Patch released

Mar 28, 2026 - 18:04 nvd

Patch available

CVE Published

Jan 21, 2025 - 16:15 nvd

MEDIUM 5.3

DescriptionGitHub Advisory

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.

AnalysisAI

Umbraco is a free and open source .NET content management system. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 31.2%.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. 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. Affected products include: Umbraco Umbraco Cms. Version information: version 14.0.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.