MEDIUM
CVE-2019-19195
NVD-CWE-noinfoPublished: February 10, 2020· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official 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.
Technical Analysis
CVE-2019-19195 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
microchip2 product(s)
atmsamb11 blusdk smartatsamb11
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory
→
https://www.microchip.com/wwwproducts/en/ATSAMB11Product · Vendor Advisory
→
https://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory
→
https://www.microchip.com/wwwproducts/en/ATSAMB11Product · Vendor Advisory
Quick Facts
CVE IDCVE-2019-19195
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 10, 2020
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-19195 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.