VULNERABILITY INTELLIGENCE

CVE-2021-21282

CVSS score8.6 HIGH
EPSS probability0.99%
CISA KEVNot currently listed
Published2021-06-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Description

Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In versions prior to 4.5, buffer overflow can be triggered by an input packet when using either of Contiki-NG's two RPL implementations in source-routing mode. The problem has been patched in Contiki-NG 4.5. Users can apply the patch for this vulnerability out-of-band as a workaround.

Weakness classification

  • security-advisories@github.com: CWE-120
  • nvd@nist.gov: CWE-120

Primary references