Common Weakness Enumeration

    CWE Definition / CWE-820

    CWE-820: Missing Synchronization

    The product utilizes a shared resource in a concurrent manner but does not attempt to synchronize access to the resource.

    Published:6 Aug 2010
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-662: Improper Synchronization

    CWE-662: Improper Synchronization

    CWE-662: Improper Synchronization