CVE-2021-22671
9.8 · CRITICALOverview
CVE-2021-22671 is a critical-severity vulnerability affecting ti cc3100_software_development_kit. It was published on May 7, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Multiple integer overflow issues exist while processing long domain names, which may allow an attacker to remotely execute code 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).
Remediation
Check the references section for vendor advisories and patches from ti. Update cc3100_software_development_kit to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ti | cc3100_software_development_kit | 0 | Affected |
| ti | cc3200_software_development_kit | 0 | Affected |
| ti | simplelink_cc13x0_software_development_kit | >= 0, < 4.10.03 | Affected |
| ti | simplelink_cc13x2_software_development_kit | >= 0, < 4.40.00 | Affected |
| ti | simplelink_cc26xx_software_development_kit | >= 0, < 4.40.00 | Affected |
| ti | simplelink_cc32xx_software_development_kit | 0 | Affected |
| ti | simplelink_msp432e4_software_development_kit | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-22671?
CVE-2021-22671 is a critical-severity vulnerability affecting ti cc3100_software_development_kit. It was published on May 7, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-22671?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-22671?
Check the references section for vendor advisories and patches from ti. Update cc3100_software_development_kit to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-22671?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-22671 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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