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CVE-2025-20111

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CVE-2025-20111

Published: Feb 26, 2025

Modified: Feb 26, 2025

PUBLISHED

CVSS v3.1

7.4

HIGH

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.

VendorProductVersions

Cisco

Cisco NX-OS Software

affected
9.3(2)
affected
9.3(1)
affected
9.3(1z)
affected
9.3(3)
affected
9.3(4)

+48 more versions

Weaknesses (CWE)

CWE-1220

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

References

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