CVE-2021-42023: siemens modelsim +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2021-42023

CVSS 6.5 · Medium EPSS 0,58%

Kerentanan Insufficiently Protected Credentials pada siemens modelsim, siemens questa. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability has been identified in ModelSim Simulation (All versions), Questa Simulation (All versions). The RSA white-box implementation in affected applications insufficiently protects the built-in private keys that are required to decrypt electronic intellectual property (IP) data in accordance with the IEEE 1735 recommended practice. This could allow a sophisticated attacker to discover the keys, bypassing the protection intended by the IEEE 1735 recommended practice.

Rincian

Terbit di NVD: 14 Desember 2021
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:H/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-522: Insufficiently Protected Credentials
EPSS (30 hari): 0,58% peluang dieksploitasi; lebih tinggi dari 46,3% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
siemens	modelsim	Semua versi
siemens	questa	Semua versi

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://cert-portal.siemens.com/productcert/pdf/ssa-400332.pdf patch · advisory vendor

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.