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    CVE-2025-48372

    Schule is open-source school management system software. The generateOTP() function generates a 4-digit numeric One-Time Password (OTP). Prior to version 1.0.1, even if a secure random number generator is used, the short length and limited range (1000–9999) results in only 9000 possible combinations. This small keyspace makes the OTP highly vulnerable to brute-force attacks, especially in the absence of strong rate-limiting or lockout mechanisms. Version 1.0.1 fixes the issue.

    Published:May 22, 2025
    Last Modified:Sep 5, 2025
    EPS:May 22, 2025
    EPSS Score:0.00057
    CVSS Score:7.3

    Affected Products

    Vendor
    Schule111
    Product
    Schule School Management System

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-521 Weak Password Requirements

    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