CVE-2020-11156

high

Description

u'Buffer over-read issue in Bluetooth estack due to lack of check for invalid length of L2cap packet received from peer device.' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in QCA6390, QCN7605, QCS404, SA415M, SA515M, SC8180X, SDX55, SM8250

References

https://www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletin

https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin

Details

Source: Mitre, NVD

Published: 2020-11-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.8

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 8.1

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

Severity: High

EPSS

EPSS: 0.00073