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CVE-2023-0775

Bluetooth LE Invalid prepare write request command leads to denial of service

MEDIUM
6.5
CVSS Score
Published: March 28, 2023 at 04:23 PM UTC
Updated: June 17, 2026 at 05:26 AM UTC
2 products affected across 2 vendorsGecko Software Development KitGecko Software Development Kit

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

An invalid ‘prepare write request’ command can cause the Bluetooth LE stack to run out of memory and fail to be able to handle subsequent connection requests, resulting in a denial-of-service.

Affected

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

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)

PatchProduct
Source: [email protected]
https://github.com/SiliconLabs/gecko_sdk
Permissions Required
Source: [email protected]
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000SMMyGQAX?operationContext=S1

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.5MEDIUMSilabs
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo

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