Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ti | Cc3100 Software Development Kit | <= 1.3.0 |
| Ti | Cc3200 Software Development Kit | <= 1.5.0 |
| Ti | Simplelink Cc13X0 Software Development Kit | < 4.10.03 |
| Ti | Simplelink Cc13X2 Software Development Kit | < 4.40.00 |
| Ti | Simplelink Cc26Xx Software Development Kit | < 4.40.00 |
| Ti | Simplelink Cc32Xx Software Development Kit | <= 4.30.00.06 |
| Ti | Simplelink Msp432E4 Software Development Kit | <= 4.20.00.12 |
Related Weaknesses (CWE)
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01Third Party AdvisoryUS Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2021-22677?
CVE-2021-22677 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 (MSP...
How severe is CVE-2021-22677?
CVE-2021-22677 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-22677?
Check the references section above for vendor advisories and patch information. Affected products include: Ti Cc3100 Software Development Kit, Ti Cc3200 Software Development Kit, Ti Simplelink Cc13X0 Software Development Kit, Ti Simplelink Cc13X2 Software Development Kit, Ti Simplelink Cc26Xx Software Development Kit.