VULNERABILITY INTELLIGENCE

CVE-2020-8162

CVSS score7.5 HIGH
EPSS probability3.03%
CISA KEVNot currently listed
Published2020-06-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.

Weakness classification

  • CWE-434: Unrestricted Upload of File with Dangerous Type
  • CWE-602: Client-Side Enforcement of Server-Side Security

Primary references