Buffer overflow in NVIDIA Dgx A100
CVE-2023-0202
NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- NVIDIA Dgx A100
- NVIDIA Dgx A100 Firmware
- NVIDIA Dgx Servers — versions All SBIOS versions prior to 1.18
Weakness classification (CWE)
References
- nvidia.custhelp.com/app/answers/detail/a_id/5449 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-0202?
- CVE-2023-0202 is a high-severity vulnerability in NVIDIA Dgx A100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2023-04-22.
- How severe is CVE-2023-0202?
- High severity. CVSS v3 base score is 7.5 out of 10.