PYSEC-2023-189

    Dashboard / Vulnerabilities / PYSEC-2023-189

    PYSEC-2023-189

    Published: 3 Oct 2023Last Modified: 10 Jun 2026

    Summary:

    Details: Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication. **Note:** This issue is a result of missing checks for services that require an active session.

    References: https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513, https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a, https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96, https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435, https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435, https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435, https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121, https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121, https://github.com/FreeOpcUa/opcua-asyncio/issues/1014, https://github.com/FreeOpcUa/opcua-asyncio/issues/1014, https://github.com/FreeOpcUa/opcua-asyncio/pull/1015, https://github.com/advisories/GHSA-2894-qcqf-g23g

    Affected packages

    Package

    Name: asyncua

    Purl: pkg:pypi/asyncua

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -b4106dfd5037423c9d1810b48a97296b59cde513

    Affected versions

    0.5.0
    0.5.1

    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
    PYSEC-2023-189 | CVE-DB