CVE-2025-24011

moderate-risk
Published 2025-01-21

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.

Do I need to act?

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31.2% chance of exploitation in next 30 days
EPSS score — higher than 69% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Umbraco

References (3)

Patch https://github.com/umbraco/Umbraco-CMS/commit/559c6c9f312df1d6eb1bde82c4b81c0896...
Patch https://github.com/umbraco/Umbraco-CMS/commit/839b6816f2ae3e5f54459a0f09dad6b17e...
Vendor Advisory https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-hmg4-wwm5-p999
42
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal