CVEvulnerability

CVE-2020-16146

7.5 HIGH Published 2021-01-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-01-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-120

Description

Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler function in blufi_prf.c. An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. With manipulated packet fields, there is a buffer overflow.

Affected configurations

• espressif esp-idf (>= 2.0.0 <= 2.1.1) • espressif esp-idf (>= 3.0 <= 3.0.9) • espressif esp-idf (>= 3.1 <= 3.1.7) • espressif esp-idf (>= 3.2 <= 3.2.3) • espressif esp-idf (>= 3.3 <= 3.3.2) • espressif esp-idf (>= 4.0.0 <= 4.0.1)

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References