What is CVE-2024-43376?

CVE-2024-43376 is a medium-severity vulnerability in Umbraco Umbraco-Cms, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2024-08-20.

How severe is CVE-2024-43376?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Umbraco Umbraco-Cms

CVE-2024-43376

Umbraco is an ASP.NET CMS. Some endpoints in the Management API can return stack trace information, even when Umbraco is not in debug mode. This vulnerability is fixed in 14.1.2.

Published 2024-08-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Umbraco Umbraco-Cms — versions >= 14.0.0, < 14.1.2
Umbraco Cms

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-77gj-crhp-3gvx (Vendor Advisory)
github.com/umbraco/Umbraco-CMS/commit/b76070c794925932cb159ef50b851db6e966a004 (Patch)

Frequently asked questions

What is CVE-2024-43376?: CVE-2024-43376 is a medium-severity vulnerability in Umbraco Umbraco-Cms, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2024-08-20.
How severe is CVE-2024-43376?: Medium severity. CVSS v3 base score is 4.3 out of 10.