7.5
CVSSv3

CVE-2020-16146

Published: 12/01/2021 Updated: 20/01/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

Espressif ESP-IDF 2.x, 3.0.x up to and including 3.0.9, 3.1.x up to and including 3.1.7, 3.2.x up to and including 3.2.3, 3.3.x up to and including 3.3.2, and 4.0.x up to and including 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.

Vulnerability Trend

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espressif esp-idf