Detections
Analytics

SCA: security update for railties (GHSA-m42h-mh85-4qgc)

critical Tenable Cloud Security Plugin ID 422061

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2019-5420)

See Also

https://github.com/advisories/GHSA-m42h-mh85-4qgc

Plugin Details

Severity: Critical

ID: 422061

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.96

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-5420

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/13/2019

Vulnerability Publication Date: 3/13/2019

Exploitable With

CANVAS (CANVAS)

Metasploit (Ruby On Rails DoubleTap Development Mode secret_key_base Vulnerability)

Reference Information

CVE: CVE-2019-5420

BID: 107427