How severe is CVE-2020-10064?

CVE-2020-10064 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-10064 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-2020-10064?

CVE-2020-10064 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10064?

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-2020-10064 published?

CVE-2020-10064 was published on 2021-05-25 and last updated on 2026-06-17.

CVE-2020-10064

CVE-2020-10064 is a high-severity vulnerability in Zephyrproject Zephyr with a CVSS 3.x base score of 8.3. 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 8.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Zephyrproject Zephyr
Published: 2021-05-25
Last modified: 2026-06-17

Description

Improper Input Frame Validation in ieee802154 Processing. Zephyr versions >= v1.14.2, >= v2.2.0 contain Stack-based Buffer Overflow (CWE-121), Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3gvq-h42f-v3c7

Frequently asked questions

What is CVE-2020-10064?: Improper Input Frame Validation in ieee802154 Processing. Zephyr versions >= v1.14.2, >= v2.2.0 contain Stack-based Buffer Overflow (CWE-121), Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3gvq-h42f-v3c7
How severe is CVE-2020-10064?: CVE-2020-10064 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-10064 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-2020-10064?: CVE-2020-10064 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10064?: 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-2020-10064 published?: CVE-2020-10064 was published on 2021-05-25 and last updated on 2026-06-17.

References

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3gvq-h42f-v3c7

Affected products (1)

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

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