CVE-2025-23270

Sensitive-information exposure via UEFI side channel

Published Jul 17, 2025 · Updated Jul 17, 2025

Side-channel exposure in NVIDIA Jetson Linux UEFI Management mode allows physically proximate attackers to read sensitive data. NVIDIA has not disclosed which UEFI Management operation or state exposes information or how the side channel derives it. Exploitation requires physical access and high complexity; successful attacks can also execute code, tamper with data, or interrupt service.

CVSS severity7.1
High
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Side-channel exposure in NVIDIA Jetson Linux UEFI Management mode allows physically proximate attackers to read sensitive data. NVIDIA has not disclosed which UEFI Management operation or state exposes information or how the side channel derives it. Exploitation requires physical access and high complexity; successful attacks can also execute code, tamper with data, or interrupt service.

The record

CVE
CVE-2025-23270
Published
Jul 17, 2025
Updated
Jul 17, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-392
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.1NVIDIA CorporationCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-392Missing Report of Error Condition

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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