CVE-2023-0203

Severity: high (CVSS 7.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-22 · updated 2026-06-17
Weakness: CWE-1220

Description

NVIDIA ConnectX-5, ConnectX-6, and ConnectX6-DX contain a vulnerability in the NIC firmware, where an unprivileged user can exploit insufficient granularity of access control, which may lead to denial of service.

Affected products

NVIDIA ConnectX Firmware: before 35.1012 — fixed in 35.1012

How to fix

Upgrade to a fixed version: NVIDIA ConnectX Firmware 35.1012. Check the vendor advisory for mitigations.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5459
https://nvidia.custhelp.com/app/answers/detail/a_id/5459

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