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    CVE-2021-40900

    A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in regexfn v1.0.5 when validating crafted invalid emails.

    Published:Jun 27, 2022
    Last Modified:Nov 21, 2024
    EPS:Jun 27, 2022
    EPSS Score:0.00317
    CVSS Score:7.5

    Affected Products

    Vendor
    Regexfn Project
    Product
    Regexfn

    Exploits

    https://github.com/yetingli/SaveResults/blob/main/js/regexfn.jshttps://github.com/yetingli/SaveResults/blob/main/js/regexfn.js

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-492 Regular Expression Exponential Blowup

    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