What’s Vulnerable › Vulnerabilities

CVE-2023-39248

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-05 · updated 2026-06-17
• Weakness: CWE-400

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.

Affected products

• Dell Networking OS10: 10.5.5.5

References

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

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