CVE-2023-28078: Dell Smartfabric OS10

Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days.

Dell OS10 Networking Switches running 10.5.2.x and above contain a vulnerability with zeroMQ when VLT is configured. A remote unauthenticated attacker could potentially exploit this vulnerability leading to information disclosure and a possible Denial of Service when a huge number of requests are sent to the switch. This is a high severity vulnerability as it allows an attacker to view sensitive data. Dell recommends customers to upgrade at the earliest opportunity.

Affected products

• Dell Smartfabric OS10: from 10.5.2.0, before 10.5.2.12 (fixed in 10.5.2.12); from 10.5.3.0, before 10.5.3.8 (fixed in 10.5.3.8); from 10.5.4.0, before 10.5.4.8 (fixed in 10.5.4.8); version 10.5.5.0 only; version 10.5.5.1 only; version 10.5.5.2 only; …

Published 2024-02-15. Last modified 2026-06-17.