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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.10% probability · 66th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- zephyrproject/zephyr
- Source
- vulnerabilities@zephyrproject.org
EPSS 1.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.htmlRelease Notes, Vendor Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/13260Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-17Broken Link
- https://docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.htmlRelease Notes, Vendor Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/13260Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-17Broken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.