CVE-2020-28388

Katalog CVE

CVSS 5.3 · Medium EPSS 1,4%

Kerentanan Predictable Exact Value from Previous Values pada siemens capital vstar, siemens nucleus net +3 lainnya. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), Nucleus NET (All versions < V5.2), Nucleus ReadyStart V3 (All versions < V2012.12), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). Initial Sequence Numbers (ISNs) for TCP connections are derived from an insufficiently random source. As a result, the ISN of current and future TCP connections could be predictable. An attacker could hijack existing sessions or spoof future ones.

Rincian

Terbit di NVD

9 Februari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-342: Predictable Exact Value from Previous Values

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 70,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cert-portal.siemens.com/productcert/pdf/ssa-344238.pdf advisory vendor
• https://cert-portal.siemens.com/productcert/pdf/ssa-362164.pdf advisory vendor
• https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-436469.pdf