CVE-2021-23568

    Dashboard / Vulnerabilities / CVE-2021-23568

    CVE-2021-23568

    Published: 10 Jan 2022Last Modified: 9 Jul 2026

    Summary:

    Details: The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.

    References: https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60, https://github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8, https://github.com/eggjs/extend2/pull/2, https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -28b347dc661790a6d8d8050c2b59f5586bf3ae63

    Affected versions

    1.0.0

    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-2021-23568 | CVE-DB