CVE-2020-3527: cisco ios xe

csirt@kutim:~/threat-intel/cve/CVE-2020-3527

CVSS 8.6 · High EPSS 1,4%

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

Deskripsi (NVD)

A vulnerability in the Polaris kernel of Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to crash the device. The vulnerability is due to insufficient packet size validation. An attacker could exploit this vulnerability by sending jumbo frames or frames larger than the configured MTU size to the management interface of this device. A successful exploit could allow the attacker to crash the device fully before an automatic recovery.

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
CWE-400: Uncontrolled Resource Consumption
EPSS (30 hari): 1,4% peluang dieksploitasi; lebih tinggi dari 71,2% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	ios xe	Versi 16.9.0 hingga sebelum 16.9.5
cisco	ios xe	Versi 16.12.0 hingga sebelum 16.12.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-JP-DOS-g5FfGm8y 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.