CVE-2025-44557

A state machine transition flaw in the Bluetooth Low Energy (BLE) stack of Cypress PSoC4 v3.66 allows attackers to bypass the pairing process and…

High · published June 27, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
19.6
In the wild
Unconfirmed
What it is

A state machine transition flaw in the Bluetooth Low Energy (BLE) stack of Cypress PSoC4 v3.66 allows attackers to bypass the pairing process and authentication via a crafted pairing_failed packet.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00282 · 19.6th percentile
Published
2025-06-27T00:00Z
EPSS history
Timeline
  • 27 JUN 00:00Z
    A state machine transition flaw in the Bluetooth Low Energy (BLE) stack of Cypress PSoC4 v3.66 allows attackers to bypass the pairing process and…
    cvelistv5