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High severity7.5NVD Advisory· Published Jan 12, 2021· Updated Jun 17, 2026

CVE-2020-16146

CVE-2020-16146

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 products

3
  • Espressif/Esp Idf2 versions
    cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*range: >=2.0.0,<=2.1.1
    • (no CPE)range: 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
  • Espressif/ESP-IDFdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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