What is CVE-2019-19192?

CVE-2019-19192 is a medium-severity vulnerability in St Bluenrg-2, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-02-12.

How severe is CVE-2019-19192?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2019-19192 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in St Bluenrg-2

CVE-2019-19192

The Bluetooth Low Energy implementation on STMicroelectronics BLE Stack through 1.3.1 for STM32WB5x devices does not properly handle consecutive Attribute Protocol (ATT) requests on reception, allowing attackers in radio range to cause an event deadlock or crash via crafted packets.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

asset-group.github.io/disclosures/sweyntooth/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19192?: CVE-2019-19192 is a medium-severity vulnerability in St Bluenrg-2, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-02-12.
How severe is CVE-2019-19192?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-19192 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.