CVE-2023-27830

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    CVE-2023-27830

    Published: 12 Apr 2023Last Modified: 11 Mar 2026

    Summary:

    Details: TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.

    References: , https://www.tightvnc.com/news.php, https://www.tightvnc.com/whatsnew.php, https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2023-27830 | CVE-DB