What is CVE-2023-48695?

CVE-2023-48695 is a high-severity vulnerability in Azure-Rtos Usbx, classified under Out-of-bounds Write. CVSS score: 7.3/10. Published 2023-12-05.

How severe is CVE-2023-48695?

High severity. CVSS v3 base score is 7.3 out of 10.

Buffer overflow in Azure-Rtos Usbx

CVE-2023-48695

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to out of bounds write vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host and device classes, related to CDC ECM and RNDIS in RTOS v6.2.1 and below. The fixes have been included in USBX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Azure-rtos Usbx — versions < 6.3.0
Eclipse Threadx_usbx

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2023-48695?: CVE-2023-48695 is a high-severity vulnerability in Azure-Rtos Usbx, classified under Out-of-bounds Write. CVSS score: 7.3/10. Published 2023-12-05.
How severe is CVE-2023-48695?: High severity. CVSS v3 base score is 7.3 out of 10.