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CVE-2021-34396
Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code,…
Low3.0EPSS 0.20%
- Published
- Updated
- Reserved
- Assigned by
- nvidia
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.
Timeline
ID reserved
By nvidia
- 13 days later
· 13 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| nvidiaCNA (assigner) | 3.1 | Low3.0 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L |
| NVDNVD · Modified | 3.1 | Low2.3 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.20% · top 91% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.0.
Weakness
- denial of service
Affected products
NVIDIA · NVIDIA Jetson TX2 series, TX2 NX
- affected All Jetson Linux versions prior to r32.5.1
References (1)
- https://nvidia.custhelp.com/app/answers/detail/a_id/5205 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-34396)Record last updated .