CVE-2021-42071

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    CVE-2021-42071

    Published: 7 Oct 2021Last Modified: 10 Mar 2026

    Summary:

    Details: In Visual Tools DVR VX16 4.2.28.0, an unauthenticated attacker can achieve remote command execution via shell metacharacters in the cgi-bin/slogin/login.py User-Agent HTTP header.

    References: , https://visual-tools.com/, https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/, https://www.exploit-db.com/exploits/50098

    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-2021-42071 | CVE-DB