Cisco Nexus 3000 9000 Series Switches Health Monitoring Diagnostics DoS (cisco-sa-n3kn9k-healthdos-eOqSWK4g)

high Nessus Plugin ID 216942

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability.

- 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. (CVE-2025-20111)

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCwj98161, CSCwk41797

Plugin Details

Severity: High

ID: 216942

File Name: cisco-sa-n3kn9k-healthdos-eOqSWK4g.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 2/28/2025

Updated: 2/28/2025

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-20111

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:nx-os

Required KB Items: Settings/ParanoidReport, Host/Cisco/NX-OS/Version, Host/Cisco/NX-OS/Model, Host/Cisco/NX-OS/Device

Exploit Ease: No known exploits are available

Patch Publication Date: 2/26/2025

Vulnerability Publication Date: 2/26/2025

Reference Information

CVE: CVE-2025-20111

CWE: 1220

CISCO-SA: cisco-sa-n3kn9k-healthdos-eOqSWK4g

IAVA: 2025-A-0137

CISCO-BUG-ID: CSCwj98161, CSCwk41797

Detections

Analytics