CVE-2023-39248

HIGH

Dell Networking OS10 10.5.2.x and above - Unauthenticated Denial of Service via VLT and VRRP Configuration

Title source: llm

Description

Dell OS10 Networking Switches running 10.5.2.x and above contain an Uncontrolled Resource Consumption (Denial of Service) vulnerability, when switches are configured with VLT and VRRP. A remote unauthenticated user can cause the network to be flooded leading to Denial of Service for actual network users. This is a high severity vulnerability as it allows an attacker to cause an outage of network. Dell recommends customers to upgrade at the earliest opportunity.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.dell.com/support/kbdoc/en-us/000220138/dsa-2023-278-dell-networking-os10-security-updates-for-uncontrolled-resource-consumption

Scores

CVSS v3 7.5

EPSS 0.0014

EPSS Percentile 32.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (1)

dell/networking_os10 10.5.5.5

Published Dec 05, 2023

Tracked Since Feb 18, 2026