VULNERABILITY INTELLIGENCE

CVE-2019-5420

CVSS score9.8 CRITICAL
EPSS probability89.33%
CISA KEVNot currently listed
Published2019-03-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can be used in combination with other Rails internals to escalate to a remote code execution exploit.

Weakness classification

  • support@hackerone.com: CWE-77
  • nvd@nist.gov: CWE-330

Primary references