How severe is CVE-2023-48695?

CVE-2023-48695 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-48695 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48695?

CVE-2023-48695 affects Eclipse Threadx Usbx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48695?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-48695 published?

CVE-2023-48695 was published on 2023-12-05 and last updated on 2026-06-17.

CVE-2023-48695

CVE-2023-48695 is a high-severity vulnerability in Eclipse Threadx Usbx with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Eclipse Threadx Usbx
Published: 2023-12-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-48695?: CVE-2023-48695 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-48695 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48695?: CVE-2023-48695 affects Eclipse Threadx Usbx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48695?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-48695 published?: CVE-2023-48695 was published on 2023-12-05 and last updated on 2026-06-17.

References

https://github.com/azure-rtos/usbx/security/advisories/GHSA-mwj9-rpph-v8wc

Affected products (1)

cpe:2.3:a:eclipse:threadx_usbx:*:*:*:*:*:*:*:*

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