CVE-2021-21282

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    CVE-2021-21282

    Published: 18 Jun 2021Last Modified: 11 Feb 2026

    Summary:

    Details: 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.

    References: https://github.com/contiki-ng/contiki-ng/pull/1183, https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6xf2-77gf-fgjx, https://github.com/contiki-ng/contiki-ng/pull/1183, https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6xf2-77gf-fgjx

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -31753fed81d980ef1b0de477921ab977f4c1a552

    Affected versions

    2.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-21282 | CVE-DB