CVE-2020-3359: cisco ios xe

csirt@kutim:~/threat-intel/cve/CVE-2020-3359

CVSS 8.6 · High EPSS 1,5%

Kerentanan Improper Input Validation pada cisco ios xe. Skor CVSS 3.1 8.6 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability in the multicast DNS (mDNS) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper validation of mDNS packets. An attacker could exploit this vulnerability by sending a crafted mDNS packet to an affected device. A successful exploit could cause a device to reload, resulting in a DoS condition.

Rincian

Terbit di NVD: 24 September 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.6 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-20: Improper Input Validation
EPSS (30 hari): 1,5% peluang dieksploitasi; lebih tinggi dari 73,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	ios xe	Versi 16.12.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mdns-dos-3tH6cA9J 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.