CVE-2021-22636
7.4 · HIGHOverview
CVE-2021-22636 is a high-severity vulnerability affecting ti real-time_operating_system. It was published on November 20, 2023 and has a CVSS 3.1 base score of 7.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Texas Instruments TI-RTOS, when configured to use HeapMem heap(default), malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'HeapMem_allocUnprotected' and result in code execution.
Remediation
Check the references section for vendor advisories and patches from ti. Update real-time_operating_system 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 | simplelink_cc13xx_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, < 4.10.03 | Affected |
Frequently Asked Questions
What is CVE-2021-22636?
CVE-2021-22636 is a high-severity vulnerability affecting ti real-time_operating_system. It was published on November 20, 2023 and has a CVSS 3.1 base score of 7.4 (HIGH).
How severe is CVE-2021-22636?
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-22636?
Check the references section for vendor advisories and patches from ti. Update real-time_operating_system 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-2021-22636?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-22636 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.
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Browser-based exploitation validates findings with real proof-of-concept.
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