What is CVE-2022-39293?

CVE-2022-39293 is a high-severity vulnerability in Azure-rtos Usbx, classified under Integer Underflow. CVSS score: 8.6/10. Published 2022-10-13.

How severe is CVE-2022-39293?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2022-39293 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Azure-rtos Usbx

CVE-2022-39293

Azure RTOS USBX is a high-performance USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. The case is, in [_ux_host_class_pima_read](https://github.com/azure-rtos/usbx/blob/master/common/…

EPSS: 0.004 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Azure-rtos Usbx — versions < 6.1.12

Weakness classification (CWE)

CWE-191 — Integer Underflow

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-39293?: CVE-2022-39293 is a high-severity vulnerability in Azure-rtos Usbx, classified under Integer Underflow. CVSS score: 8.6/10. Published 2022-10-13.
How severe is CVE-2022-39293?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2022-39293 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.