CVE-2025-48375 - CVE House
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Status published Medium CVE-2025-48375

Schule Missing Rate Limiting on OTP Email Requests – Susceptible to Abuse & DoS

Vulnerability Description

Schule is open-source school management system software. Prior to version 1.0.1, the file forgot_password.php (or equivalent endpoint responsible for email-based OTP generation) lacks proper rate limiting controls, allowing attackers to abuse the OTP request functionality. This vulnerability can be exploited to send an excessive number of OTP emails, leading to potential denial-of-service (DoS) conditions or facilitating user harassment through email flooding. Version 1.0.1 fixes the issue.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2025-48373
Schule Has Client-Side Role-Based Access Control (RBAC) Bypass Vulnerability
Medium 6.6
CVE-2025-48372
Schule Has Insecure OTP Length, is Susceptible to Brute-Force Attacks
Medium 6.6

Affected Vendor

Affected Software

Schule
Vulnerable Versions:
< 1.0.1

Timeline

Official Publish: May 23rd, 2025
Last Modified: May 23rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery