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CVE-2020-16146

HIGH
7.5
CVSS Score
Published: January 12, 2021 at 02:56 AM UTC
Updated: June 17, 2026 at 02:57 AM UTC
1 product affected across 1 vendorEsp Idf

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Esp Idf· Espressif
95%
2.0.0 ≤ v ≤ 2.1.13.0 ≤ v ≤ 3.0.93.1 ≤ v ≤ 3.1.73.2 ≤ v ≤ 3.2.33.3 ≤ v ≤ 3.3.24.0.0 ≤ v ≤ 4.0.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/espressif/esp-idf
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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