CVE-2025-20311

Katalog CVE

CVSS 7.4 · High EPSS 0,20%

Kerentanan Data Processing Errors pada cisco ios xe. Skor CVSS 3.1 7.4 (High) menurut cisco.com.

Deskripsi (NVD)

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafted Ethernet frames. An attacker could exploit this vulnerability by sending crafted Ethernet frames through an affected switch. A successful exploit could allow the attacker to cause the egress port to which the crafted frame is forwarded to start dropping all frames, resulting in a denial of service (DoS) condition.

Rincian

Terbit di NVD

24 September 2025

Terakhir diubah

26 September 2026

Status NVD

Analyzed

CVSS 3.1

7.4 (High), sumber cisco.com
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-19: Data Processing Errors

EPSS (30 hari)

0,20% peluang dieksploitasi; lebih tinggi dari 9,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 103 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cat9k-PtmD7bgy advisory vendor