CVE-2019-19193

Name: CVE-2019-19193
Creator: NVD / NIST
Published: 2020-02-10T21:51:32.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2019-19193 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Bluetooth Low Energy peripheral implementation on Texas Instruments SIMPLELINK-CC2640R2-SDK through 3.30.00.20 and BLE-STACK through 1.5.0 before Q4 2019 for CC2640R2 and CC2540/1 devices does not properly restrict the advertisement connection request packet on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

The Bluetooth Low Energy peripheral implementation on Texas Instruments SIMPLELINK-CC2640R2-SDK through 3.30.00.20 and BLE-STACK through 1.5.0 before Q4 2019 for CC2640R2 and CC2540/1 devices does not properly restrict the advertisement connection request packet on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.70%

48.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Ti	Ble-Stack	<= 1.5.0
Ti	Cc2640r2 Software Development Kit	<= 3.30.00.20

References

http://www.ti.com/tool/BLE-STACKVendor Advisory
https://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory
http://www.ti.com/tool/BLE-STACKVendor Advisory
https://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory

Timeline

Published: Feb 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19193?

How severe is CVE-2019-19193?

CVE-2019-19193 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19193?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19193?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST