CVE-2020-28391

Katalog CVE

CVSS 5.9 · Medium EPSS 1,1%

Kerentanan Use of Hard-coded Cryptographic Key pada siemens scalance x200-4pirt firmware, siemens scalance x201-3pirt firmware +58 lainnya. Skor CVSS 3.1 5.9 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.

Rincian

Terbit di NVD

12 Januari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-321: Use of Hard-coded Cryptographic Key
CWE-798: Use of Hard-coded Credentials

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 65,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 66 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf advisory vendor
• https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02 advisory pihak ketiga · pemerintah AS · advisory vendor