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    CVE-2020-3927

    An arbitrary-file-access vulnerability exists in ServiSign security plugin, as long as the attackers learn the specific API function, they may access arbitrary files on target system via crafted API parameter.

    Published:Feb 3, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 3, 2020
    EPSS Score:0.00411
    CVSS Score:8.3

    Affected Products

    Vendor
    Changingtec
    Product
    Servisign
    Vendor
    Microsoft
    Product
    Windows

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-150 Collect Data from Common Resource Locations
    CAPEC-639 Probe System Files

    Related CVEs

    CVE-2024-40721 (CVSS 8.8) — The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly valida…
    CVE-2022-46305 (CVSS 6.5) — ChangingTec ServiSign component has a path traversal vulnerability. An unauthenticated LAN attacker can exploi…
    CVE-2022-46304 (CVSS 8.8) — ChangingTec ServiSign component has insufficient filtering for special characters in the connection response p…
    CVE-2022-46306 (CVSS 8.8) — ChangingTec ServiSign component has a path traversal vulnerability due to insufficient filtering for special c…
    CVE-2020-3926 (CVSS 6.1) — An arbitrary-file-access vulnerability exists in ServiSign security plugin, as long as the attackers learn the…
    CVE-2020-3925 (CVSS 8.3) — A Remote Code Execution(RCE) vulnerability exists in some designated applications in ServiSign security plugin…

    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