CVE-2022-33683

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    CVE-2022-33683

    Published: 23 Sept 2022Last Modified: 12 Aug 2026

    Summary: Disabled Certificate Validation makes Broker, Proxy Admin Clients vulnerable to MITM attack

    Details: Apache Pulsar Brokers and Proxies create an internal Pulsar Admin Client that does not verify peer TLS certificates, even when tlsAllowInsecureConnection is disabled via configuration. The Pulsar Admin Client's intra-cluster and geo-replication HTTPS connections are vulnerable to man in the middle attacks, which could leak authentication data, configuration data, and any other data sent by these clients. An attacker can only take advantage of this vulnerability by taking control of a machine 'between' the client and the server. The attacker must then actively manipulate traffic to perform the attack. This issue affects Apache Pulsar Broker and Proxy versions 2.7.0 to 2.7.4; 2.8.0 to 2.8.3; 2.9.0 to 2.9.2; 2.10.0; 2.6.4 and earlier.

    References: https://lists.apache.org/thread/42v5rsxj36r3nhfxhmhb2x12r5jmvx3x, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/33xxx/CVE-2022-33683.json, https://nvd.nist.gov/vuln/detail/CVE-2022-33683

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -8eae5b8d572861e49c40d456b1f3cbc5d414afe1

    Affected versions

    2.10.0-NA

    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-2022-33683 | CVE-DB