CVE-2022-21208

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    CVE-2022-21208

    Published: 23 Aug 2022Last Modified: 12 Aug 2026

    Summary: Denial of Service (DoS)

    Details: The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.

    References: https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988723, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21208.json, https://nvd.nist.gov/vuln/detail/CVE-2022-21208, https://github.com/node-opcua/node-opcua/commit/33ca3bab4ab781392a2f8d8f5a14de9a0aa0e410, https://github.com/node-opcua/node-opcua/commit/dbcb5d5191118c22ee9c89332a94b94e6553d76b, https://github.com/node-opcua/node-opcua/pull/1149

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -003ee041795f3b737afaaef5721045ee31ea9f77

    Affected versions

    v2.73.1
    v2.73.0

    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-2022-21208 | CVE-DB