What is CVE-2022-41417?

CVE-2022-41417 is a critical-severity vulnerability in Blogengine Blogengine.net, classified under Missing Authorization. CVSS score: 9.8/10. Published 2023-01-18.

How severe is CVE-2022-41417?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Blogengine Blogengine.net

CVE-2022-41417

BlogEngine.NET v3.3.8.0 allows an attacker to create any folder with "files" prefix under ~/App_Data/.

Vulnerability class: Broken Access Control

Published 2023-01-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (53.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Blogengine Blogengine.net — versions 3.3.8.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/BlogEngine/BlogEngine.NET/commit/7f927567db94462ffd37e128c0a53c11c1f… (Patch, Third Party Advisory)
gist.github.com/tree-chtsec/22a0a531ea188fd5b76fe11d32f41e95 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-41417?: CVE-2022-41417 is a critical-severity vulnerability in Blogengine Blogengine.net, classified under Missing Authorization. CVSS score: 9.8/10. Published 2023-01-18.
How severe is CVE-2022-41417?: Critical severity. CVSS v3 base score is 9.8 out of 10.