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    CVE-2021-47827

    WebSSH for iOS 14.16.10 contains a denial of service vulnerability in the mashREPL tool that allows attackers to crash the application by pasting malformed input. Attackers can trigger the vulnerability by copying a 300-character buffer of repeated 'A' characters into the mashREPL input field, causing the application to crash.

    Published:Jan 16, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 16, 2026
    EPSS Score:0.00015
    CVSS Score:7.5

    Affected Products

    Vendor
    Apple
    Product
    Ios
    Vendor
    Webssh
    Product
    Webssh

    Exploits

    No exploit reference

    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