How severe is CVE-2021-34396?

CVE-2021-34396 has a CVSS 3.x base score of 3.0, rated low severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-34396 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34396?

CVE-2021-34396 affects Nvidia Jetson Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34396?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-34396 published?

CVE-2021-34396 was published on 2021-06-22 and last updated on 2026-06-17.

CVE-2021-34396

CVE-2021-34396 is a low-severity vulnerability in Nvidia Jetson Linux with a CVSS 3.x base score of 3.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.0)
CVSS v2: 2.1
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Nvidia Jetson Linux
Published: 2021-06-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-34396?: 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.
How severe is CVE-2021-34396?: CVE-2021-34396 has a CVSS 3.x base score of 3.0, rated low severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-34396 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34396?: CVE-2021-34396 affects Nvidia Jetson Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34396?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-34396 published?: CVE-2021-34396 was published on 2021-06-22 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5205

Affected products (1)

cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*

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