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    CVE-2021-27884

    Weak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users' JWT tokens. This occurs because Math.random in Node.js is used.

    Published:Mar 1, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 1, 2021
    EPSS Score:0.00056
    CVSS Score:5.1

    Affected Products

    Vendor
    Ymfe
    Product
    Yapi

    Exploits

    No exploit reference

    Related CVEs

    CVE-2025-70059 (CVSS 7.5) — An issue pertaining to CWE-400: Uncontrolled Resource Consumption was discovered in YMFE yapi v1.12.0 and allo…
    CVE-2025-70060 (CVSS 5.4) — An issue pertaining to CWE-79: Improper Neutralization of Input During Web Page Generation was discovered in Y…
    CVE-2025-70058 (CVSS 7.4) — An issue pertaining to CWE-295: Improper Certificate Validation was discovered in YMFE yapi v1.12.0. The appli…
    CVE-2024-33831 (CVSS 7.4) — A stored cross-site scripting (XSS) vulnerability in the Advanced Expectation - Response module of yapi v1.10.…
    CVE-2021-36686 (CVSS 5.4) — Cross Site Scripting (XSS) vulnerability in yapi 1.9.1 allows attackers to execute arbitrary code via the /int…
    CVE-2018-17574 (CVSS 5.4) — An issue was discovered in YMFE YApi 1.3.23. There is stored XSS in the name field of a project.…

    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