CVE-2021-21282 HIGH

CVE-2021-21282: Buffer overflow in RPL source routing header processing

Vendor Contiki-Ng
Product contiki-ng
Weakness CWE-120
Published June 18, 2021
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 18, 2021 CVE published
August 3, 2024 Record updated