CVE-2020-3257: cisco ios

csirt@kutim:~/threat-intel/cve/CVE-2020-3257

CVSS 8.1 · High EPSS 0,70%

Kerentanan Improper Input Validation pada cisco ios. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

Multiple vulnerabilities in the Cisco IOx application environment of Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) that are running Cisco IOS Software could allow an attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Rincian

Terbit di NVD: 3 Juni 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.1 (High), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-20: Improper Input Validation
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
EPSS (30 hari): 0,70% peluang dieksploitasi; lebih tinggi dari 52,0% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	ios	Versi 15.8(3.0z)m1
cisco	ios	Versi 15.9

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-gos-vuln-s9qS8kYL 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.