CVE Feed

    Dashboard / CVE / CVE-2013-1337

    CVE-2013-1337

    Microsoft .NET Framework 4.5 does not properly create policy requirements for custom Windows Communication Foundation (WCF) endpoint authentication in certain situations involving passwords over HTTPS, which allows remote attackers to bypass authentication by sending queries to an endpoint, aka "Authentication Bypass Vulnerability."

    Published:May 15, 2013
    Last Modified:Apr 11, 2025
    EPS:May 15, 2013
    EPSS Score:0.21799
    CVSS Score:7.5

    Affected Products

    Vendor
    Microsoft
    Product
    .net Framework

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

    CVE-2026-69522 (CVSS 8.8) — Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.…
    CVE-2026-70354 (CVSS 7.8) — Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.…
    CVE-2026-65810 (CVSS 7.8) — Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.…
    CVE-2026-62886 (CVSS 7.8) — Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.…
    CVE-2026-62872 (CVSS 8.8) — Incorrect authorization in .NET Framework allows an authorized attacker to elevate privileges over a network.…
    CVE-2026-62897 (CVSS 7) — Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.…
    CVE-2026-50659 (CVSS 6.5) — Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a netwo…
    CVE-2026-50650 (CVSS 7.8) — Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to…
    CVE-2026-50649 (CVSS 7.8) — Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.…
    CVE-2026-50648 (CVSS 7.5) — Allocation of resources without limits or throttling in .NET Framework allows an unauthorized attacker to deny…

    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