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    CVE-2023-1521

    On Linux the sccache client can execute arbitrary code with the privileges of a local sccache server, by preloading the code in a shared library passed to LD_PRELOAD. If the server is run as root (which is the default when installing the snap package https://snapcraft.io/sccache ), this means a user running the sccache client can get root privileges.

    Published:Nov 26, 2024
    Last Modified:Oct 15, 2025
    EPS:Nov 26, 2024
    EPSS Score:0.0016
    CVSS Score:7.8

    Affected Products

    Vendor
    Mozilla
    Product
    Sccache

    Exploits

    https://securitylab.github.com/advisories/GHSL-2023-046_ScCachehttps://github.com/rubbxalc/CVE-2023-1521

    Common Weakness Enumeration

    CWE-426 Untrusted Search Path

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-38 Leveraging/Manipulating Configuration File Search Paths

    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