What is CVE-2024-29035?

CVE-2024-29035 is a medium-severity vulnerability in Umbraco Umbraco-Cms, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2024-04-17.

How severe is CVE-2024-29035?

Medium severity. CVSS v3 base score is 4.1 out of 10.

SSRF in Umbraco Umbraco-Cms

CVE-2024-29035

Umbraco is an ASP.NET CMS. Failing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical. This vulnerability is fixed in 13.1.1.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2024-04-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.1th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.1% 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 >= 13.0.0 , <13.1.1
Umbraco Cms

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-74p6-39f2-23v3 (Vendor Advisory)
github.com/umbraco/Umbraco-CMS/commit/6b8067815c02ae43161966a8075a3585e1bc4de0 (Patch)

Frequently asked questions

What is CVE-2024-29035?: CVE-2024-29035 is a medium-severity vulnerability in Umbraco Umbraco-Cms, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2024-04-17.
How severe is CVE-2024-29035?: Medium severity. CVSS v3 base score is 4.1 out of 10.