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    CVE-2021-42780

    A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.

    Published:Jan 9, 2021
    Last Modified:Nov 3, 2025
    EPS:Apr 18, 2022
    EPSS Score:0.00048
    CVSS Score:5.3

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensc Project
    Product
    Opensc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-252 Unchecked Return Value

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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