CVE-2021-38387

HIGH

Contiki 3.0 - DoS

Title source: llm
STIX 2.1

Description

In Contiki 3.0, a Telnet server that silently quits (before disconnection with clients) leads to connected clients entering an infinite loop and waiting forever, which may cause excessive CPU consumption.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://github.com/contiki-os/contiki/issues/2688

Scores

CVSS v3 7.5
EPSS 0.0033
EPSS Percentile 56.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-835
Status published
Products (1)
contiki-os/contiki 3.0
Published Aug 10, 2021
Tracked Since Feb 18, 2026