🛡️ CVE-2025-20111
🟠 CVSS 7.4 — High ✅ No Known Exploit CWE-1220 NVD
7.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability in the health monitoring diagnostics of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of specific Ethernet frames. An attacker could exploit this vulnerability by sending a sustained rate of crafted Ethernet frames to an affected device. A successful exploit could allow the attacker to cause the device to reload.

Details

Severity HIGH
CVSS Score 7.4
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE CWE-1220
Public Exploit ✅ No
Source NVD
Published 2025-02-26
Updated 2026-06-02
Modified 2026-04-15
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown

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