How severe is CVE-2025-23270?

CVE-2025-23270 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-2025-23270 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-23270?

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.

Does CVE-2025-23270 have an EU (EUVD) identifier?

Yes. CVE-2025-23270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21816.

When was CVE-2025-23270 published?

CVE-2025-23270 was published on 2025-07-17 and last updated on 2026-06-17.

CVE-2025-23270

CVE-2025-23270 is a high-severity vulnerability 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. The underlying weakness is classified as CWE-392.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21816
Weakness: CWE-392
Published: 2025-07-17
Last modified: 2026-06-17

Description

NVIDIA Jetson Linux contains a vulnerability in UEFI Management mode, where an unprivileged local attacker may cause exposure of sensitive information via a side channel vulnerability. A successful exploit of this vulnerability might lead to code execution, data tampering, denial of service, and information disclosure.

Frequently asked questions

What is CVE-2025-23270?: NVIDIA Jetson Linux contains a vulnerability in UEFI Management mode, where an unprivileged local attacker may cause exposure of sensitive information via a side channel vulnerability. A successful exploit of this vulnerability might lead to code execution, data tampering, denial of service, and information disclosure.
How severe is CVE-2025-23270?: CVE-2025-23270 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-2025-23270 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-23270?: 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.
Does CVE-2025-23270 have an EU (EUVD) identifier?: Yes. CVE-2025-23270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21816.
When was CVE-2025-23270 published?: CVE-2025-23270 was published on 2025-07-17 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5662

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