Vulnerability in Amazon Web Services Freertos

CVE-2018-16523

Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow division by zero in prvCheckOptions.

EPSS: 0.021 (79.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-16523?
CVE-2018-16523 is a high-severity vulnerability in Amazon Web Services Freertos, classified under Divide By Zero. CVSS score: 7.4/10. Published 2018-12-06.
How severe is CVE-2018-16523?
High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2018-16523 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.