CVE-2020-16146

7.5 highEPSS 1.4%

High (7.5) in espressif esp-idf. EPSS 1.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-01-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

espressif:esp-idf

References

https://github.com/espressif/esp-idf
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md
https://github.com/espressif/esp-idf
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md

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