CVE-2025-24011

MEDIUMCVSS 5.3/10EPSS 1.45%

Last modified

CVE-2025-24011 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
1.45%

70.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
UmbracoUmbraco Cms>= 14.0.0, < 14.3.2
UmbracoUmbraco Cms>= 15.0.0, < 15.1.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-24011?
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.
How severe is CVE-2025-24011?
CVE-2025-24011 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.
How do I fix CVE-2025-24011?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-24011?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST