What is CVE-2023-48693?

CVE-2023-48693 is a high-severity vulnerability in Azure-Rtos Threadx, classified under Improper Input Validation. CVSS score: 8.7/10. Published 2023-12-05.

How severe is CVE-2023-48693?

High severity. CVSS v3 base score is 8.7 out of 10.

Improper input validation in Azure-Rtos Threadx

CVE-2023-48693

Azure RTOS ThreadX is an advanced real-time operating system (RTOS) designed specifically for deeply embedded applications. An attacker can cause arbitrary read and write due to vulnerability in parameter checking mechanism in Azure RTOS ThreadX, which may lead to privilege escalation. The affected components include RTOS ThreadX v6.2.1 and below. The fixes have been included in ThreadX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.013 (69.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Azure-Rtos Threadx — versions < 6.3.0
Microsoft Azure Rtos Threadx

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/azure-rtos/threadx/security/advisories/GHSA-p7w6-62rq-vrf9 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-48693?: CVE-2023-48693 is a high-severity vulnerability in Azure-Rtos Threadx, classified under Improper Input Validation. CVSS score: 8.7/10. Published 2023-12-05.
How severe is CVE-2023-48693?: High severity. CVSS v3 base score is 8.7 out of 10.