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CVE-2023-2747

Uninitialized IV in Silicon Labs SE FW v2.0.0 through v 2.2.1 for internally stored data

MEDIUM
5.5
CVSS Score
Published: June 15, 2023 at 07:49 PM UTC
Updated: June 17, 2026 at 05:53 AM UTC
2 products affected across 2 vendorsGecko Software Development KitGecko Software Development Kit

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gecko Software Development Kit· Silabs
95%
2.0.0 ≤ v < 2.2.1
Affected range stops below 2.2.1, so it looks safe — our inference, not a vendor statement
Gecko Software Development Kit· Silabs Com
60%
2.0.0 ≤ v ≤ 2.2.12.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor AdvisoryPermissions Required
Source: [email protected]
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U2sFvQAJ?operationContext=S1
Product
Source: [email protected]
https://github.com/SiliconLabs/gecko_sdk

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1204CWE-908

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