Vulnerability in Zephyrproject Zephyr
CVE-2020-10027
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Zephyrproject Zephyr — versions 1.14.0, 2.1.0
- Zephyrproject-Rtos Zephyr — versions 1.14.0, 2.1.0
Weakness classification (CWE)
References
- zephyrprojectsec.atlassian.net/browse/ZEPSEC-35 (Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/23328 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/23500 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/23499 (Patch, Third Party Advisory)
- docs.zephyrproject.org/latest/security/vulnerabilities.html
Frequently asked questions
- What is CVE-2020-10027?
- CVE-2020-10027 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Incorrect Comparison. CVSS score: 7.8/10. Published 2020-05-11.
- How severe is CVE-2020-10027?
- High severity. CVSS v3 base score is 7.8 out of 10.