CVE-2023-48695 json
Azure RTOS USBX Remote Code Execution Vulnerability
published 2023-12-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-52739
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- eclipse threadx_usbx 6.3.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 17 mo ago
Exploit prediction
1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- azure-rtos usbx
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/azure-rtos/usbx/security/advisories/GHSA-mwj9-rpph-v8wc
third-party-advisory
Sources
- CVE List CVE-2023-48695
- NVD CVE-2023-48695
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