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    CVE-2021-45339

    Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense.

    Published:Dec 27, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 27, 2021
    EPSS Score:0.00033
    CVSS Score:7.8

    Affected Products

    Vendor
    Avast
    Product
    Antivirus

    Exploits

    https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST0https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST0

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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