CVE-2019-17519

HIGHNVD 8.88.8—

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 23.1%
KEV: Not listed

Published

February 12, 2020

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://asset-group.github.io/disclosures/sweyntooth/
af854a3a-2127-422b-91ae-364da2661108https://asset-group.github.io/disclosures/sweyntooth/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 07:48 UTCEG score recompute
2026-05-27 07:48 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-17519?

CVE-2019-17519 is a high vulnerability published on February 12, 2020. 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.

When was CVE-2019-17519 disclosed?

CVE-2019-17519 was first published in the National Vulnerability Database on February 12, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-17519 actively exploited?

CVE-2019-17519 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-17519?

CVE-2019-17519 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2019-17519?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-17519, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-17519

📅 Published

🔄 Last Modified

🔗 References (2)