What’s Vulnerable › Vulnerabilities

CVE-2019-19192

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-12 · updated 2026-06-17
• Weakness: CWE-20

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 products

• St Bluenrg-2: through 1.3.1
• St Wb55: through 1.3.1

References

• https://asset-group.github.io/disclosures/sweyntooth/
• https://asset-group.github.io/disclosures/sweyntooth/

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