CVE-2020-27009: siemens nucleus net +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2020-27009

CVSS 8.1 · High EPSS 7,2%

Kerentanan Use of Out-of-range Pointer Offset pada siemens nucleus net, siemens nucleus source code. Skor CVSS 3.1 8.1 (High) 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 Source Code (Versions including affected DNS modules), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS domain name record decompression functionality does not properly validate the pointer offset values. The parsing of malformed responses could result in a write past the end of an allocated structure. An attacker with a privileged position in the network could leverage this vulnerability to execute code in the context of the current process or cause a denial-of-service condition.

Rincian

Terbit di NVD: 22 April 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.1 (High), sumber NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-823: Use of Out-of-range Pointer Offset
CWE-787: Out-of-bounds Write
EPSS (30 hari): 7,2% peluang dieksploitasi; lebih tinggi dari 94,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
siemens	nucleus net	Semua versi sebelum 5.2
siemens	nucleus source code	Semua versi

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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.