Arbitrary file upload in Ulearn Project
CVE-2023-0670
Ulearn version a5a7ca20de859051ea0470542844980a66dfc05d allows an attacker with administrator permissions to obtain remote code execution on the server through the image upload functionality. This occurs because the application does not validate that the uploaded image is actually an image.
Vulnerability class: Unrestricted File Upload
EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ulearn_project Ulearn
- N/a Ulearn — versions a5a7ca20de859051ea0470542844980a66dfc05d
Weakness classification (CWE)
References
- help@fluidattacks.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-0670?
- CVE-2023-0670 is a high-severity vulnerability in Ulearn Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2023-04-05.
- How severe is CVE-2023-0670?
- High severity. CVSS v3 base score is 7.2 out of 10.