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01 Record

CVE-2021-34388

Bootloader contains a vulnerability in NVIDIA TegraBoot where a potential heap overflow might allow an attacker to control all the RAM after the heap block, leading to denial of service or code

MediumPUBLISHEDCNA: nvidia
CNA base score6.3 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
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02 Description

Bootloader contains a vulnerability in NVIDIA TegraBoot where a potential heap overflow might allow an attacker to control all the RAM after the heap block, leading to denial of service or code

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 14.5% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-06-21 21:35Z5 YR AGO
Last updated
2024-08-04 00:12Z2 YR AGO
Reserved
2021-06-09
Assigning CNA
nvidia
Record state
PUBLISHED
Severity
Medium (CVSS 6.3)
CNA CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Weaknesses
Data version
5.1
Document digest
25249d0a08a2de028033bf7fa121516d22a27ae41db2a76d75b704bdae990c55

05 Affected products

VendorProductVersionsPlatforms
NVIDIANVIDIA Jetson TX1, TX2 series, TX2 NX, AGX Xavier series, Xavier NX, Nano and Nano 2GBAll Jetson Linux versions prior to r32.5.1—

06 References