Auth bypass in Strapi

CVE-2023-39345

strapi is an open-source headless CMS. Versions prior to 4.13.1 did not properly restrict write access to fielded marked as private in the user registration endpoint. As such malicious users may be able to errantly modify their user records. This issue has been addressed in version 4.13.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.006 (46.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-39345: held from 0.005 to 0.006.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

  • Strapi — versions >= 4.0.0, < 4.13.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-39345?
CVE-2023-39345 is a high-severity vulnerability in Strapi, classified under Improper Authentication. CVSS score: 7.6/10. Published 2023-11-06.
How severe is CVE-2023-39345?
High severity. CVSS v3 base score is 7.6 out of 10.