CVE-2022-21654

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    CVE-2022-21654

    Published: 22 Feb 2022Last Modified: 12 Aug 2026

    Summary: Incorrect configuration handling allows TLS session re-use without re-validation in Envoy

    Details: Envoy is an open source edge and service proxy, designed for cloud-native applications. Envoy's tls allows re-use when some cert validation settings have changed from their default configuration. The only workaround for this issue is to ensure that default tls settings are used. Users are advised to upgrade.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21654.json, https://github.com/envoyproxy/envoy/security/advisories/GHSA-5j4x-g36v-m283, https://nvd.nist.gov/vuln/detail/CVE-2022-21654, https://github.com/envoyproxy/envoy/commit/e9f936d85dc1edc34fabd0a1725ec180f2316353

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3f59fb5c0f6554f8b3f2e73ab4c1437a63d42668
    Fixed -a79ca225f1ed924b855dff8a26bd7f7cdb84e694

    Affected versions

    v1.21.0

    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-2022-21654 | CVE-DB