CVE-2023-25521: nvidia dgx_a100_firmware Execution with Unnecessary Privileges
Vulnerability summary
CVE-2023-25521 is a high (CVSS 7.8) Execution with Unnecessary Privileges vulnerability in nvidia dgx_a100_firmware. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.6% of scored vulnerabilities.
Timeline
- 03-07-2023PublishedVulnerability first disclosed.
- 27-11-2024Last modifiedVulnerability information updated.
Description
NVIDIA DGX A100/A800 contains a vulnerability in SBIOS where an attacker may cause execution with unnecessary privileges by leveraging a weakness whereby proper input parameter validation is not performed. A successful exploit of this vulnerability may lead to denial of service, information disclosure, and data tampering.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA7.5HighCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-250Execution with Unnecessary PrivilegesThe product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.
- CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Affected systems
Nvidia3 products
- dgx_a100_firmware< 1.21
- dgx a100/a800All SBIOS versions prior to 1.21
- dgx_a800_firmware< 1.21
1 vendor · 3 products
References
1 links- nvidia.custhelp.com/app/answers/detail/a_id/5461Vendor Advisory