CVE-2021-22677 Information

Description

An integer overflow exists in the APIs of the host MCU while trying to connect to a WIFI network may lead to issues such as a denial-of-service condition or code execution on the SimpleLink Wi-Fi (MSP432E4 SDK: v4.20.00.12 and prior CC32XX SDK v4.30.00.06 and prior CC13X0 SDK versions prior to v4.10.03 CC13X2 and CC26XX SDK versions prior to v4.40.00 CC3200 SDK v1.5.0 and prior CC3100 SDK v1.3.0 and prior).

CVSS Vector

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

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8