CVE-2020-3220

Katalog CVE

CVSS 6.8 · Medium EPSS 0,53%

Kerentanan Insufficient Verification of Data Authenticity pada cisco ios xe. Skor CVSS 3.1 6.8 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The vulnerability is due to insufficient verification of authenticity of received Encapsulating Security Payload (ESP) packets. An attacker could exploit this vulnerability by tampering with ESP cleartext values as a man-in-the-middle.

Rincian

Terbit di NVD

3 Juni 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-345: Insufficient Verification of Data Authenticity

EPSS (30 hari)

0,53% peluang dieksploitasi; lebih tinggi dari 43,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 68 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-vpn-dos-edOmW28Z patch · advisory vendor