What is CVE-2022-42278?

CVE-2022-42278 is a high-severity vulnerability in NVIDIA Bmc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2023-01-13.

How severe is CVE-2022-42278?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in NVIDIA Bmc

CVE-2022-42278

NVIDIA BMC contains a vulnerability in SPX REST API, where an authorized attacker can read and write to arbitrary locations within the memory context of the IPMI server process, which may lead to code execution, denial of service, information disclosure and data tampering.

Vulnerability class: Buffer Overflow

Published 2023-01-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

NVIDIA Bmc
NVIDIA Dgx A100
NVIDIA Dgx Servers — versions All BMC firmware versions prior to 00.19.07

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

nvidia.custhelp.com/app/answers/detail/a_id/5435 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-42278?: CVE-2022-42278 is a high-severity vulnerability in NVIDIA Bmc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2023-01-13.
How severe is CVE-2022-42278?: High severity. CVSS v3 base score is 7.2 out of 10.