CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2020-10024
High (7.8) in zephyrproject zephyr. EPSS 0.7% chance of exploitation in the next 30 days.
The arm platform-specific code uses a signed integer comparison when validating system call numbers. An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.
Severity
- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
- CWE
- CWE-697
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zephyrproject:zephyr
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10024
- https://github.com/zephyrproject-rtos/zephyr/pull/23323
- https://github.com/zephyrproject-rtos/zephyr/pull/23498
- https://github.com/zephyrproject-rtos/zephyr/pull/23535
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-30