csirt@kutim:~/threat-intel/cve/CVE-2023-50714

Katalog CVE

CVSS 8.8 · High EPSS 0,49%

Kerentanan Improper Verification of Cryptographic Signature pada yiiframework yii2-authclient. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth2 PKCE implementation is vulnerable in 2 ways. First, the `authCodeVerifier` should be removed after usage (similar to `authState`). Second, there is a risk for a `downgrade attack` if PKCE is being relied on for CSRF protection. Version 2.2.15 contains a patch for the issue. No known workarounds are available.

Rincian

Terbit di NVD
22 Desember 2023
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-347: Improper Verification of Cryptographic Signature
CWE-918: Server-Side Request Forgery (SSRF)
CWE-287: Improper Authentication
EPSS (30 hari)
0,49% peluang dieksploitasi; lebih tinggi dari 40,5% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
yiiframework yii2-authclient Semua versi sebelum 2.2.15

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.