How severe is CVE-2021-34404?

CVE-2021-34404 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34404?

CVE-2021-34404 affects Nvidia Shield Experience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34404?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-34404 published?

CVE-2021-34404 was published on 2022-01-18 and last updated on 2026-06-17.

CVE-2021-34404

CVE-2021-34404 is a high-severity vulnerability in Nvidia Shield Experience with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.6
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Nvidia Shield Experience
Published: 2022-01-18
Last modified: 2026-06-17

Description

Android images for T210 provided by NVIDIA contain a vulnerability in BROM, where failure to limit access to AHB-DMA when BROM fails may allow an unprivileged attacker with physical access to cause denial of service or impact integrity and confidentiality beyond the security scope of BROM.

Frequently asked questions

What is CVE-2021-34404?: Android images for T210 provided by NVIDIA contain a vulnerability in BROM, where failure to limit access to AHB-DMA when BROM fails may allow an unprivileged attacker with physical access to cause denial of service or impact integrity and confidentiality beyond the security scope of BROM.
How severe is CVE-2021-34404?: CVE-2021-34404 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34404?: CVE-2021-34404 affects Nvidia Shield Experience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34404?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-34404 published?: CVE-2021-34404 was published on 2022-01-18 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5259

Affected products (1)

cpe:2.3:a:nvidia:shield_experience:*:*:*:*:*:*:*:*

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