What is CVE-2017-14201?

CVE-2017-14201 is a high-severity vulnerability in Zephyr Shell, classified under Use After Free. CVSS score: 7.8/10. Published 2019-08-29.

How severe is CVE-2017-14201?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Zephyr Shell

CVE-2017-14201

Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.

Vulnerability class: Use-After-Free

Published 2019-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.6th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Zephyr Shell — versions prior to 1.14.0
Zephyrproject Zephyr

Weakness classification (CWE)

CWE-416 — Use After Free

References

zephyrprojectsec.atlassian.net/browse/ZEPSEC-17 (Broken Link)
docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.html (Release Notes, Vendor Advisory)
github.com/zephyrproject-rtos/zephyr/pull/13260 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2017-14201?: CVE-2017-14201 is a high-severity vulnerability in Zephyr Shell, classified under Use After Free. CVSS score: 7.8/10. Published 2019-08-29.
How severe is CVE-2017-14201?: High severity. CVSS v3 base score is 7.8 out of 10.