What is CVE-2023-48316?

CVE-2023-48316 is a critical-severity vulnerability in Azure-Rtos Netxduo, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-12-05.

How severe is CVE-2023-48316?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Azure-Rtos Netxduo

CVE-2023-48316

Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to snmp, smtp, ftp and dtls in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.043 (90.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Azure-rtos Netxduo — versions < 6.3.0
Microsoft Azure_rtos_netx_duo

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2023-48316?: CVE-2023-48316 is a critical-severity vulnerability in Azure-Rtos Netxduo, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-12-05.
How severe is CVE-2023-48316?: Critical severity. CVSS v3 base score is 9.8 out of 10.