Critical severity · published Jan 2, 2024
CVE-2023-4280
Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region
9.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GS
GSDK · silabs.com
1.0 through 4.3.x · source: vendor
GS
Gecko Software Development Kit · Silabs
1.0.0 through 4.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4280
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4280
Permissions Required
https://community.silabs.com/069Vm0000004NinIAE
Product
https://github.com/SiliconLabs/gecko_sdk
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