What’s Vulnerable › Vulnerabilities

CVE-2018-16528

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-06 · updated 2026-06-17
• Weakness: CWE-20

Description

Amazon Web Services (AWS) FreeRTOS through 1.3.1 allows remote attackers to execute arbitrary code because of mbedTLS context object corruption in prvSetupConnection and GGD_SecureConnect_Connect in AWS TLS connectivity modules.

Affected products

• Amazon Web Services Freertos: through 1.3.1

References

• https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/
• https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/
• https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md
• https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/
• https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/
• https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md

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