CVE-2021-22677

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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).

Se presenta un desbordamiento de enteros en la API del host MCU al intentar conectarse a una red WIFI puede conllevar problemas como una condición de denegación de servicio o la ejecución de código en SimpleLink Wi-Fi (MSP432E4 SDK: versiones v4.20.00.12 y anteriores, CC32XX SDK versiones v4.30.00.06 y anteriores, CC13X0 SDK versiones anteriores a v4.10.03, CC13X2 y CC26XX SDK versiones anteriores a v4.40.00, CC3200 SDK versiones v1.5.0 y anteriores, CC3100 SDK versiones v1.3.0 y anteriores)

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-05 CVE Reserved
2021-05-07 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (1)

URL	Tag	Source
https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ti Search vendor "Ti"		Cc3100 Software Development Kit Search vendor "Ti" for product "Cc3100 Software Development Kit"				<= 1.3.0 Search vendor "Ti" for product "Cc3100 Software Development Kit" and version " <= 1.3.0"		-		Affected
Ti Search vendor "Ti"		Cc3200 Software Development Kit Search vendor "Ti" for product "Cc3200 Software Development Kit"				<= 1.5.0 Search vendor "Ti" for product "Cc3200 Software Development Kit" and version " <= 1.5.0"		-		Affected
Ti Search vendor "Ti"		Simplelink Cc13x0 Software Development Kit Search vendor "Ti" for product "Simplelink Cc13x0 Software Development Kit"				< 4.10.03 Search vendor "Ti" for product "Simplelink Cc13x0 Software Development Kit" and version " < 4.10.03"		-		Affected
Ti Search vendor "Ti"		Simplelink Cc13x2 Software Development Kit Search vendor "Ti" for product "Simplelink Cc13x2 Software Development Kit"				< 4.40.00 Search vendor "Ti" for product "Simplelink Cc13x2 Software Development Kit" and version " < 4.40.00"		-		Affected
Ti Search vendor "Ti"		Simplelink Cc26xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc26xx Software Development Kit"				< 4.40.00 Search vendor "Ti" for product "Simplelink Cc26xx Software Development Kit" and version " < 4.40.00"		-		Affected
Ti Search vendor "Ti"		Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"				<= 4.30.00.06 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " <= 4.30.00.06"		-		Affected
Ti Search vendor "Ti"		Simplelink Msp432e4 Software Development Kit Search vendor "Ti" for product "Simplelink Msp432e4 Software Development Kit"				<= 4.20.00.12 Search vendor "Ti" for product "Simplelink Msp432e4 Software Development Kit" and version " <= 4.20.00.12"		-		Affected