How severe is CVE-2019-19195?

CVE-2019-19195 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-19195 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19195?

CVE-2019-19195 affects Microchip Atmsamb11 Blusdk Smart. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19195?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-19195 published?

CVE-2019-19195 was published on 2020-02-10 and last updated on 2026-06-17.

CVE-2019-19195

CVE-2019-19195 is a medium-severity vulnerability in Microchip Atmsamb11 Blusdk Smart with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.1
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microchip Atmsamb11 Blusdk Smart
Published: 2020-02-10
Last modified: 2026-06-17

Description

The Bluetooth Low Energy implementation on Microchip Technology BluSDK Smart through 6.2 for ATSAMB11 devices does not properly restrict link-layer data length on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.

Frequently asked questions

What is CVE-2019-19195?: The Bluetooth Low Energy implementation on Microchip Technology BluSDK Smart through 6.2 for ATSAMB11 devices does not properly restrict link-layer data length on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.
How severe is CVE-2019-19195?: CVE-2019-19195 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-19195 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19195?: CVE-2019-19195 affects Microchip Atmsamb11 Blusdk Smart. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19195?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19195 published?: CVE-2019-19195 was published on 2020-02-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microchip:atmsamb11_blusdk_smart:*:*:*:*:*:*:*:*