CVE-2020-15240

Katalog CVE

CVSS 9.1 · Critical EPSS 0,80%

Kerentanan Improper Authentication pada omniauth-auth0. Skor CVSS 3.1 9.1 (Critical) menurut NVD.

Deskripsi (NVD)

omniauth-auth0 (rubygems) versions >= 2.3.0 and < 2.4.1 improperly validate the JWT token signature when using the `jwt_validator.verify` method. Improper validation of the JWT token signature can allow an attacker to bypass authentication and authorization. You are affected by this vulnerability if all of the following conditions apply: 1. You are using `omniauth-auth0`. 2. You are using `JWTValidator.verify` method directly OR you are not authenticating using the SDK’s default Authorization Code Flow. The issue is patched in version 2.4.1.

Rincian

Terbit di NVD

21 Oktober 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.1 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-287: Improper Authentication
CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

0,80% peluang dieksploitasi; lebih tinggi dari 55,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://rubygems.org/gems/omniauth-auth0 product · advisory vendor
• https://github.com/auth0/omniauth-auth0/commit/fd3a14f4ccdfbc515d1121d6378ff88bf55a7a7a patch · advisory pihak ketiga
• https://github.com/auth0/omniauth-auth0/security/advisories/GHSA-58r4-h6v8-jcvm advisory pihak ketiga