CVE-2021-34396
Bootloader contains a vulnerability in access permission settings where unauthorized software may...
Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.
- Record
CVE-2021-34396- CVSS 3.1
- 3.0 Low
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L - Updated
- 2026-11-02
EUVDEUVD-2021-21054
Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.
- Record
EUVD-2021-21054- CVSS 3.1
- 3.0 Low
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-52fh-662w-2pg3
Bootloader contains a vulnerability in access permission settings where unauthorized software may...
Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.
- Record
GHSA-52fh-662w-2pg3- CVSS 3.1
- 2.3 Low
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.
- Record
CVE-2021-34396- CVSS 3.1
- 3.0 Low
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L - CVSS 3.1
- 2.3 Low
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34396 is a low vulnerability (CVSS 3.0) in Nvidia Jetson Linux, published June 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.