CVE-2020-25111

CRITICAL

Contiki < 3.0 - Denial of Service and Remote Code Execution via ICMPv6 Echo Packet

Title source: llm
STIX 2.1

Description

An issue was discovered in the IPv6 stack in Contiki through 3.0. There is an insufficient check for the IPv6 header length. This leads to Denial-of-Service and potential Remote Code Execution via a crafted ICMPv6 echo packet.

References (2)

Core 2
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://www.kb.cert.org/vuls/id/815128
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

Scores

CVSS v3 9.8
EPSS 0.2007
EPSS Percentile 97.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
contiki-os/contiki-os < 3.0
Published Dec 11, 2020
Tracked Since Feb 18, 2026