CVE-2023-4280

CRITICALCVSS 9.8/10EPSS 0.40%

Last modified

CVE-2023-4280 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.40%

32.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SilabsGecko Software Development Kit>= 1.0.0, <= 4.3.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-4280?
An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.
How severe is CVE-2023-4280?
CVE-2023-4280 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2023-4280?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4280?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST