How severe is CVE-2023-4265?

CVE-2023-4265 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2023-4265 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4265?

CVE-2023-4265 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4265?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-4265 published?

CVE-2023-4265 was published on 2023-08-12 and last updated on 2026-06-17.

CVE-2023-4265

CVE-2023-4265 is a medium-severity vulnerability in Zephyrproject Zephyr with a CVSS 3.x base score of 6.4. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Zephyrproject Zephyr
Published: 2023-08-12
Last modified: 2026-06-17

Description

Potential buffer overflow vulnerabilities in the following locations: https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis... https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis.c#L841

Frequently asked questions

What is CVE-2023-4265?: Potential buffer overflow vulnerabilities in the following locations: https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis... https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis.c#L841
How severe is CVE-2023-4265?: CVE-2023-4265 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2023-4265 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4265?: CVE-2023-4265 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4265?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4265 published?: CVE-2023-4265 was published on 2023-08-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

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