How severe is CVE-2025-20111?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.4 out of 10.

What type of vulnerability is CVE-2025-20111?

This is classified as CWE-1220, which is a common weakness in software security.

CVE-2025-20111 - HIGH Severity | CVSS 7.4

Vulnerability 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.

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