CVE-2023-25403: yf-exam project yf-exam

csirt@kutim:~/threat-intel/cve/CVE-2023-25403

CVSS 7.5 · High EPSS 0,65%

Kerentanan Authorization Bypass Through User-Controlled Key pada yf-exam project yf-exam. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

CleverStupidDog yf-exam v 1.8.0 is vulnerable to Authentication Bypass. The program uses a fixed JWT key, and the stored key uses username format characters. Any user who logged in within 24 hours. A token can be forged with his username to bypass authentication.

Rincian

Terbit di NVD: 3 Maret 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-639: Authorization Bypass Through User-Controlled Key
EPSS (30 hari): 0,65% peluang dieksploitasi; lebih tinggi dari 49,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
yf-exam project	yf-exam	Versi 1.8.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/CleverStupidDog/yf-exam/issues/2 exploit · issue tracking · advisory pihak ketiga
https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403 advisory pihak ketiga

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.