VULNERABILITY INTELLIGENCE
CVE-2023-0670
CVSS score7.2 HIGH
EPSS probability1.02%
CISA KEVNot currently listed
Published2023-04-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- CWE-434: Unrestricted Upload of File with Dangerous Type
Primary references
- help@fluidattacks.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — Third Party Advisory