CVE-2022-39254: matrix-nio project matrix-nio

csirt@kutim:~/threat-intel/cve/CVE-2022-39254

CVSS 6.5 · Medium EPSS 0,66%

Kerentanan Improper Authentication pada matrix-nio project matrix-nio. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

matrix-nio is a Python Matrix client library, designed according to sans I/O principles. Prior to version 0.20, when a users requests a room key from their devices, the software correctly remember the request. Once they receive a forwarded room key, they accept it without checking who the room key came from. This allows homeservers to try to insert room keys of questionable validity, potentially mounting an impersonation attack. Version 0.20 fixes the issue.

Rincian

Terbit di NVD: 29 September 2022
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-287: Improper Authentication
CWE-322: Key Exchange without Entity Authentication
EPSS (30 hari): 0,66% peluang dieksploitasi; lebih tinggi dari 50,3% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
matrix-nio project	matrix-nio	Semua versi sebelum 0.20

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/poljar/matrix-nio/commit/b1cbf234a831daa160673defd596e6450e9c29f0 patch · advisory pihak ketiga
https://github.com/poljar/matrix-nio/security/advisories/GHSA-w4pr-4vjg-hffh 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.