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    CVE-2021-34532

    ASP.NET Core and Visual Studio Information Disclosure Vulnerability

    Published:Aug 10, 2021
    Last Modified:Aug 10, 2026
    EPS:Aug 12, 2021
    EPSS Score:0.01121
    CVSS Score:5.5

    Affected Products

    Vendor
    Microsoft
    Product
    Asp.net Core
    Vendor
    Microsoft
    Product
    Visual Studio 2019
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Dotnet

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-215 Fuzzing for application mapping

    Related CVEs

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    CVE-2026-26130 (CVSS 7.5) — Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny s…
    CVE-2025-55315 (CVSS 9.9) — Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an aut…
    CVE-2025-26682 (CVSS 7.5) — Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny s…
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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