CVE-2019-19192

MEDIUM
6.5
CVSS Score
Published: February 12, 2020 at 06:08 PM UTC
Updated: June 17, 2026 at 02:26 AM UTC
2 products affected across 1 vendorBluenrg 2WB55

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%

Description

The Bluetooth Low Energy implementation on STMicroelectronics BLE Stack through 1.3.1 for STM32WB5x devices does not properly handle consecutive Attribute Protocol (ATT) requests on reception, allowing attackers in radio range to cause an event deadlock or crash via crafted packets.

Affected

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

v ≤ 1.3.1
v ≤ 1.3.1

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 (1)

x_refsource_MISCExploitThird Party Advisory
https://asset-group.github.io/disclosures/sweyntooth/

CVSS

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-20

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