CVE-2023-48693
Azure RTOS ThreadX Remote Code Execution Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Azure RTOS ThreadX Remote Code Execution Vulnerability
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.
- Record
CVE-2023-48693- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2023-52737
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.
- Record
EUVD-2023-52737- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Updated
- 2026-11-03
NVD
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.
- Record
CVE-2023-48693- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Azure RTOS ThreadX Remote Code Execution Vulnerability
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.
- Record
CVE-2023-48693- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-48693 is a high vulnerability (CVSS 8.7) in Azure-rtos Threadx, published December 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.