VDB-174713 · CVE-2021-22677 · icsa-21-119-01

Texas Instruments SimpleLink Wi-Fi MSP432E4 SDK MCU API integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

Detailsinfo

A vulnerability was found in Texas Instruments SimpleLink Wi-Fi MSP432E4 SDK, SimpleLink Wi-Fi CC32XX SDK, SimpleLink Wi-Fi CC13X0 SDK, SimpleLink Wi-Fi CC13X2, SimpleLink Wi-Fi CC26XX SDK, SimpleLink Wi-Fi CC3200 SDK and SimpleLink Wi-Fi CC3100 SDK and classified as problematic. This issue affects an unknown function of the component MCU API. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability.

The weakness was presented 05/07/2021 as icsa-21-119-01. The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2021-22677. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Texas Instruments

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/05/2021 🔍
05/07/2021 +121 days 🔍
05/07/2021 +0 days 🔍
05/12/2021 +5 days 🔍

Sourcesinfo

Advisory: icsa-21-119-01
Status: Not defined

CVE: CVE-2021-22677 (🔍)
GCVE (CVE): GCVE-0-2021-22677
GCVE (VulDB): GCVE-100-174713

Entryinfo

Created: 05/07/2021 20:55
Updated: 05/12/2021 15:19
Changes: 05/07/2021 20:55 (36), 05/12/2021 15:19 (2)
Complete: 🔍
Cache ID: 216::103