CVE-2019-17519

Name: CVE-2019-17519
Creator: NVD / NIST
Published: 2020-02-12T19:15:14.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2019-17519 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Bluetooth Low Energy implementation on NXP SDK through 2.2.1 for KW41Z devices does not properly restrict the Link Layer payload length, allowing attackers in radio range to cause a buffer overflow via a crafted packet.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

Description

The Bluetooth Low Energy implementation on NXP SDK through 2.2.1 for KW41Z devices does not properly restrict the Link Layer payload length, allowing attackers in radio range to cause a buffer overflow via a crafted packet.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.18%

63.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Nxp	Mcuxpresso Software Development Kit	<= 2.2.1

References

https://asset-group.github.io/disclosures/sweyntooth/Exploit, Third Party Advisory
https://asset-group.github.io/disclosures/sweyntooth/Exploit, Third Party Advisory

Timeline

Published: Feb 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17519?

How severe is CVE-2019-17519?

CVE-2019-17519 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17519?

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-2019-17519?

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

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Source: NVD / NIST