CVE-2021-31232

    Dashboard / Vulnerabilities / CVE-2021-31232

    CVE-2021-31232

    Published: 30 Apr 2021Last Modified: 9 Jul 2026

    Summary:

    Details: The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth password_file can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack vector to send any file content because the alertmanager can load any text file specified in the templates list.

    References: https://community.grafana.com/c/security-announcements, https://github.com/cortexproject/cortex, https://lists.cncf.io/g/cortex-users/message/50, https://github.com/cortexproject/cortex/pull/4129/files

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -4afaa357469fb37fd92cb1e2a0c1d10cdddc5ecd

    Affected versions

    v1.8.0
    v1.8.0-rc.1
    v1.8.0-rc.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-2021-31232 | CVE-DB