NVIDIA ConnectX-5, ConnectX-6, and ConnectX6-DX contain a vulnerability in the NIC firmware, where an unprivileged user can exploit insuffi…

published 2023-04-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12294

cvss: 5.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

nvidia connectx_firmware 35.1012

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-02-04)

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
NVD	3.1	7.7	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected products

NVIDIA NVIDIA ConnectX Firmware

Classification

Weakness

CWE-1220 Insufficient Granularity of Access Control

References

nvidia.custhelp.com /app/answers/detail/a_id/5459
vendor-advisory

Sources

CVE List CVE-2023-0205
NVD CVE-2023-0205

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary