CVE-2018-20745

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    CVE-2018-20745

    Published: 28 Jan 2019Last Modified: 7 Aug 2026

    Summary:

    Details: Yii 2.x through 2.0.15.1 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.

    References: https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf, https://github.com/yiisoft/yii2/issues/16193

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- ae8d9782707b89315194ec70a139fece122b8977
    Fixed -None

    Affected versions

    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