CVE-2021-42794

    Dashboard / Vulnerabilities / CVE-2021-42794

    CVE-2021-42794

    Published: 16 Dec 2023Last Modified: 10 Mar 2026

    Summary:

    Details: An issue was discovered in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior. The application allows a client to provide a malicious connection string that could allow an adversary to port scan the LAN, depending on the hosts' responses.

    References: , https://www.aveva.com/en/products/edge/, https://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01, https://www.exploit-db.com/docs/english/17254-connection-string-parameter-pollution-attacks.pdf

    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-2021-42794 | CVE-DB