CVE-2021-3625
CVSS v3
9.8
CRITICAL
EPSS Score
5.6 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363
Technical details
- Published
- 2021-10-05
Frequently asked questions
What is CVE-2021-3625?
Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363
Is CVE-2021-3625 actively exploited?
Active exploitation of CVE-2021-3625 has not been confirmed. The EPSS score is 5.6%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-3625?
CVE-2021-3625 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-3625 affecting your environment?
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