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CVE-2023-2683

Connection update while closing connection may lead to denial-of-service

MEDIUM
6.5
CVSS Score
Published: June 15, 2023 at 07:05 PM UTC
Updated: June 17, 2026 at 05:53 AM UTC
2 products affected across 2 vendorsBluetooth Low Energy Software Development KitBluetooth Low Energy Software Development Kit

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

Description

A memory leak in the EFR32 Bluetooth LE stack 5.1.0 through 5.1.1 allows an attacker to send an invalid pairing message and cause future legitimate connection attempts to fail. A reset of the device immediately clears the error.

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, and no fixed version or vendor advisory is recorded against it.

References (2)

Not Applicable
Source: [email protected]
https://github.com/SiliconLabs
Broken Link
Source: [email protected]
https://https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000U2U1QQAV?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

6.5MEDIUM[email protected]
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-401CWE-400

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