CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2020-10019
High (7.8) in zephyrproject zephyr. EPSS 0.5% chance of exploitation in the next 30 days.
USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. This could be used by a malicious USB host to exploit the buffer overflow. See NCC-ZEP-002 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
- CWE
- CWE-120
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zephyrproject:zephyr
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019
- https://github.com/zephyrproject-rtos/zephyr/pull/23190
- https://github.com/zephyrproject-rtos/zephyr/pull/23457
- https://github.com/zephyrproject-rtos/zephyr/pull/23460
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25