CVE-2023-31032: nvidia dgx_a100_firmware Dynamic Variable Evaluation
CVSS: 7.5v3.1HighModified
Published 12-01-2024Last modified 03-06-2025
Vulnerability summary
CVE-2023-31032 is a high (CVSS 7.5) Dynamic Variable Evaluation vulnerability in nvidia dgx_a100_firmware. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-01-2024PublishedVulnerability first disclosed.
- 03-06-2025Last modifiedVulnerability information updated.
Description
NVIDIA DGX A100 SBIOS contains a vulnerability where a user may cause a dynamic variable evaluation by local access. A successful exploit of this vulnerability may lead to denial of service.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:HSources2 sources · 5.5–7.5
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
0.00 pp
From 0.16% on 20-09-2026
20-09-202620-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-627Dynamic Variable EvaluationIn a language where the user can influence the name of a variable at runtime, if the variable names are not controlled, an attacker can read or write to arbitrary variables, or access arbitrary functions.
- CWE-913Improper Control of Dynamically-Managed Code ResourcesThe product does not properly restrict reading from or writing to dynamically-managed code resources such as variables, objects, classes, attributes, functions, or executable instructions or statements.
Affected systems
Nvidia1 product
- dgx_a100_firmwareAll SBOIS versions prior to 1.25 | < 1.25
1 vendor · 1 product
References
1 links- nvidia.custhelp.com/app/answers/detail/a_id/5510Vendor Advisory