CVE-2019-5420

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Source
https://cve.org/CVERecord?id=CVE-2019-5420
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5420.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-5420
Aliases
Downstream
Related
Published
2019-03-27T14:29:01Z
Modified
2026-09-09T03:30:21Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux"
        },
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "30"
                },
                {
                    "last_affected": "30"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora"
        }
    ]
}
References

Affected packages

Git / github.com/rails/rails

Affected ranges

Type
GIT
Repo
https://github.com/rails/rails
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e69ff43060c1194d2a3bd9b8d9e23f3ae26b84b5
Introduced
5a0230c67f852fb21173f99647e76336897446c1
Last Affected
5e6e505083c2b0caf85b2f86c6be3ff3d8750857
Database specific
Show details 
{
    "cpe": [
        "cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:rubyonrails:rails:6.0.0:beta1:*:*:*:*:*:*",
        "cpe:2.3:a:rubyonrails:rails:6.0.0:beta2:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.2.2.1"
        },
        {
            "introduced": "6.0.0-beta1"
        },
        {
            "last_affected": "6.0.0-beta1"
        },
        {
            "introduced": "6.0.0-beta2"
        },
        {
            "last_affected": "6.0.0-beta2"
        }
    ],
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ]
}

Affected versions

6.*
6.0.0-beta1
6.0.0-beta2
v0.*
v0.10.0
v0.10.1
v0.11.0
v0.11.1
v0.12.0
v0.13.0
v0.13.1
v0.14.1
v0.14.3
v0.9.1
v0.9.2
v0.9.3
v0.9.4
v0.9.4.1
v0.9.5
v1.*
v1.1.0
v1.1.0_RC1
v1.1.1
v2.*
v2.0.0
v2.0.0_PR
v2.0.0_RC1
v2.0.0_RC2
v2.0.1
v3.*
v3.0.0.beta.3
v3.0.0.beta3
v3.1.0.beta1
v3.1.0.rc1
v3.2.0.rc1
v4.*
v4.0.0.beta1
v4.0.0.rc1
v4.2.0.beta1
v5.*
v5.0.0.beta1
v5.0.0.beta2
v5.0.0.beta4
v5.1.0.beta1
v5.2.0.rc1
v5.2.1.rc1
v5.2.2
v5.2.2.rc1
v6.*
v6.0.0.beta1
v6.0.0.beta2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5420.json"