What is CVE-2023-33404?

CVE-2023-33404 is a critical-severity vulnerability in Blogengine Blogengine.net, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-06-26.

How severe is CVE-2023-33404?

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

Is CVE-2023-33404 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Blogengine Blogengine.net

CVE-2023-33404

An Unrestricted Upload vulnerability, due to insufficient validation on UploadControlled.cs file, in BlogEngine.Net version 3.3.8.0 and earlier allows remote attackers to execute remote code.

Vulnerability class: Unrestricted File Upload

EPSS: 0.258 (97.8th percentile) — read the EPSS interpretation.

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.

Affected products

Blogengine Blogengine.net
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33404?: CVE-2023-33404 is a critical-severity vulnerability in Blogengine Blogengine.net, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-06-26.
How severe is CVE-2023-33404?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-33404 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.